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remove StructuralEq trait

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This commit is contained in:
Ralf Jung 2023-09-26 09:39:41 +02:00
parent a58ec8ff03
commit 0df7810734
76 changed files with 273 additions and 536 deletions
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13
compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs
View File

@ -19,19 +19,6 @@ pub fn expand_deriving_eq(
) {
let span = cx.with_def_site_ctxt(span);
let structural_trait_def = TraitDef {
span,
path: path_std!(marker::StructuralEq),
skip_path_as_bound: true, // crucial!
needs_copy_as_bound_if_packed: false,
additional_bounds: Vec::new(),
supports_unions: true,
methods: Vec::new(),
associated_types: Vec::new(),
is_const: false,
};
structural_trait_def.expand(cx, mitem, item, push);
let trait_def = TraitDef {
span,
path: path_std!(cmp::Eq),

3
compiler/rustc_codegen_cranelift/example/mini_core.rs
View File

@ -104,9 +104,6 @@ unsafe impl<T: ?Sized> Freeze for &mut T {}
#[lang = "structural_peq"]
pub trait StructuralPartialEq {}
#[lang = "structural_teq"]
pub trait StructuralEq {}
#[lang = "not"]
pub trait Not {
type Output;

3
compiler/rustc_codegen_gcc/example/mini_core.rs
View File

@ -100,9 +100,6 @@ unsafe impl<T: ?Sized> Freeze for &mut T {}
#[lang = "structural_peq"]
pub trait StructuralPartialEq {}
#[lang = "structural_teq"]
pub trait StructuralEq {}
#[lang = "not"]
pub trait Not {
type Output;

3
compiler/rustc_codegen_gcc/tests/run/static.rs
View File

@ -61,9 +61,6 @@ mod libc {
#[lang = "structural_peq"]
pub trait StructuralPartialEq {}
#[lang = "structural_teq"]
pub trait StructuralEq {}
#[lang = "drop_in_place"]
#[allow(unconditional_recursion)]
pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {

2
compiler/rustc_const_eval/src/const_eval/valtrees.rs
View File

@ -138,7 +138,7 @@ pub(crate) fn const_to_valtree_inner<'tcx>(
}
// Trait objects are not allowed in type level constants, as we have no concept for
// resolving their backing type, even if we can do that at const eval time. We may
// hypothetically be able to allow `dyn StructuralEq` trait objects in the future,
// hypothetically be able to allow `dyn StructuralPartialEq` trait objects in the future,
// but it is unclear if this is useful.
ty::Dynamic(..) => Err(ValTreeCreationError::NonSupportedType),

2
compiler/rustc_hir/src/lang_items.rs
View File

@ -143,8 +143,6 @@ language_item_table! {
Unsize, sym::unsize, unsize_trait, Target::Trait, GenericRequirement::Minimum(1);
/// Trait injected by `#[derive(PartialEq)]`, (i.e. "Partial EQ").
StructuralPeq, sym::structural_peq, structural_peq_trait, Target::Trait, GenericRequirement::None;
/// Trait injected by `#[derive(Eq)]`, (i.e. "Total EQ"; no, I will not apologize).
StructuralTeq, sym::structural_teq, structural_teq_trait, Target::Trait, GenericRequirement::None;
Copy, sym::copy, copy_trait, Target::Trait, GenericRequirement::Exact(0);
Clone, sym::clone, clone_trait, Target::Trait, GenericRequirement::None;
Sync, sym::sync, sync_trait, Target::Trait, GenericRequirement::Exact(0);

4
compiler/rustc_middle/src/query/mod.rs
View File

@ -1347,9 +1347,9 @@ rustc_queries! {
///
/// This is only correct for ADTs. Call `is_structural_eq_shallow` to handle all types
/// correctly.
query has_structural_eq_impls(ty: Ty<'tcx>) -> bool {
query has_structural_eq_impl(ty: Ty<'tcx>) -> bool {
desc {
"computing whether `{}` implements `PartialStructuralEq` and `StructuralEq`",
"computing whether `{}` implements `StructuralPartialEq`",
ty
}
}

9
compiler/rustc_middle/src/ty/util.rs
View File

@ -1249,19 +1249,18 @@ impl<'tcx> Ty<'tcx> {
/// Primitive types (`u32`, `str`) have structural equality by definition. For composite data
/// types, equality for the type as a whole is structural when it is the same as equality
/// between all components (fields, array elements, etc.) of that type. For ADTs, structural
/// equality is indicated by an implementation of `PartialStructuralEq` and `StructuralEq` for
/// that type.
/// equality is indicated by an implementation of `StructuralPartialEq` for that type.
///
/// This function is "shallow" because it may return `true` for a composite type whose fields
/// are not `StructuralEq`. For example, `[T; 4]` has structural equality regardless of `T`
/// are not `StructuralPartialEq`. For example, `[T; 4]` has structural equality regardless of `T`
/// because equality for arrays is determined by the equality of each array element. If you
/// want to know whether a given call to `PartialEq::eq` will proceed structurally all the way
/// down, you will need to use a type visitor.
#[inline]
pub fn is_structural_eq_shallow(self, tcx: TyCtxt<'tcx>) -> bool {
match self.kind() {
// Look for an impl of both `PartialStructuralEq` and `StructuralEq`.
ty::Adt(..) => tcx.has_structural_eq_impls(self),
// Look for an impl of `StructuralPartialEq`.
ty::Adt(..) => tcx.has_structural_eq_impl(self),
// Primitive types that satisfy `Eq`.
ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) | ty::Str | ty::Never => true,

8
compiler/rustc_mir_build/messages.ftl
View File

@ -110,7 +110,7 @@ mir_build_extern_static_requires_unsafe_unsafe_op_in_unsafe_fn_allowed =
mir_build_float_pattern = floating-point types cannot be used in patterns
mir_build_indirect_structural_match =
to use a constant of type `{$non_sm_ty}` in a pattern, `{$non_sm_ty}` must be annotated with `#[derive(PartialEq, Eq)]`
to use a constant of type `{$non_sm_ty}` in a pattern, `{$non_sm_ty}` must be annotated with `#[derive(PartialEq)]`
mir_build_inform_irrefutable = `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
@ -254,7 +254,7 @@ mir_build_non_partial_eq_match =
to use a constant of type `{$non_peq_ty}` in a pattern, the type must implement `PartialEq`
mir_build_nontrivial_structural_match =
to use a constant of type `{$non_sm_ty}` in a pattern, the constant's initializer must be trivial or `{$non_sm_ty}` must be annotated with `#[derive(PartialEq, Eq)]`
to use a constant of type `{$non_sm_ty}` in a pattern, the constant's initializer must be trivial or `{$non_sm_ty}` must be annotated with `#[derive(PartialEq)]`
mir_build_pattern_not_covered = refutable pattern in {$origin}
.pattern_ty = the matched value is of type `{$pattern_ty}`
@ -297,9 +297,9 @@ mir_build_trailing_irrefutable_let_patterns = trailing irrefutable {$count ->
} into the body
mir_build_type_not_structural =
to use a constant of type `{$non_sm_ty}` in a pattern, `{$non_sm_ty}` must be annotated with `#[derive(PartialEq, Eq)]`
to use a constant of type `{$non_sm_ty}` in a pattern, `{$non_sm_ty}` must be annotated with `#[derive(PartialEq)]`
mir_build_type_not_structural_more_info = see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
mir_build_type_not_structural_more_info = see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
mir_build_type_not_structural_tip = the traits must be derived, manual `impl`s are not sufficient

2
compiler/rustc_span/src/symbol.rs
View File

@ -310,7 +310,6 @@ symbols! {
Some,
SpanCtxt,
String,
StructuralEq,
StructuralPartialEq,
SubdiagnosticMessage,
Sync,
@ -1616,7 +1615,6 @@ symbols! {
struct_variant,
structural_match,
structural_peq,
structural_teq,
sub,
sub_assign,
sub_with_overflow,

2
compiler/rustc_trait_selection/src/traits/structural_match.rs
View File

@ -39,7 +39,7 @@ pub fn search_for_structural_match_violation<'tcx>(
/// This implements the traversal over the structure of a given type to try to
/// find instances of ADTs (specifically structs or enums) that do not implement
/// the structural-match traits (`StructuralPartialEq` and `StructuralEq`).
/// `StructuralPartialEq`.
struct Search<'tcx> {
span: Span,

16
compiler/rustc_ty_utils/src/structural_match.rs
View File

@ -6,13 +6,12 @@ use rustc_infer::infer::TyCtxtInferExt;
use rustc_trait_selection::traits::{ObligationCause, ObligationCtxt};
/// This method returns true if and only if `adt_ty` itself has been marked as
/// eligible for structural-match: namely, if it implements both
/// `StructuralPartialEq` and `StructuralEq` (which are respectively injected by
/// `#[derive(PartialEq)]` and `#[derive(Eq)]`).
/// eligible for structural-match: namely, if it implements
/// `StructuralPartialEq` (which is injected by `#[derive(PartialEq)]`).
///
/// Note that this does *not* recursively check if the substructure of `adt_ty`
/// implements the traits.
fn has_structural_eq_impls<'tcx>(tcx: TyCtxt<'tcx>, adt_ty: Ty<'tcx>) -> bool {
/// implements the trait.
fn has_structural_eq_impl<'tcx>(tcx: TyCtxt<'tcx>, adt_ty: Ty<'tcx>) -> bool {
let infcx = &tcx.infer_ctxt().build();
let cause = ObligationCause::dummy();
@ -21,11 +20,6 @@ fn has_structural_eq_impls<'tcx>(tcx: TyCtxt<'tcx>, adt_ty: Ty<'tcx>) -> bool {
let structural_peq_def_id =
infcx.tcx.require_lang_item(LangItem::StructuralPeq, Some(cause.span));
ocx.register_bound(cause.clone(), ty::ParamEnv::empty(), adt_ty, structural_peq_def_id);
// for now, require `#[derive(Eq)]`. (Doing so is a hack to work around
// the type `for<'a> fn(&'a ())` failing to implement `Eq` itself.)
let structural_teq_def_id =
infcx.tcx.require_lang_item(LangItem::StructuralTeq, Some(cause.span));
ocx.register_bound(cause, ty::ParamEnv::empty(), adt_ty, structural_teq_def_id);
// We deliberately skip *reporting* fulfillment errors (via
// `report_fulfillment_errors`), for two reasons:
@ -40,5 +34,5 @@ fn has_structural_eq_impls<'tcx>(tcx: TyCtxt<'tcx>, adt_ty: Ty<'tcx>) -> bool {
}
pub(crate) fn provide(providers: &mut Providers) {
providers.has_structural_eq_impls = has_structural_eq_impls;
providers.has_structural_eq_impl = has_structural_eq_impl;
}

23
library/core/src/marker.rs
View File

@ -187,7 +187,7 @@ pub trait Unsize<T: ?Sized> {
/// Required trait for constants used in pattern matches.
///
/// Any type that derives `PartialEq` automatically implements this trait,
/// *regardless* of whether its type-parameters implement `Eq`.
/// *regardless* of whether its type-parameters implement `PartialEq`.
///
/// If a `const` item contains some type that does not implement this trait,
/// then that type either (1.) does not implement `PartialEq` (which means the
@ -200,7 +200,7 @@ pub trait Unsize<T: ?Sized> {
/// a pattern match.
///
/// See also the [structural match RFC][RFC1445], and [issue 63438] which
/// motivated migrating from attribute-based design to this trait.
/// motivated migrating from an attribute-based design to this trait.
///
/// [RFC1445]: https://github.com/rust-lang/rfcs/blob/master/text/1445-restrict-constants-in-patterns.md
/// [issue 63438]: https://github.com/rust-lang/rust/issues/63438
@ -218,7 +218,7 @@ marker_impls! {
isize, i8, i16, i32, i64, i128,
bool,
char,
str /* Technically requires `[u8]: StructuralEq` */,
str /* Technically requires `[u8]: StructuralPartialEq` */,
(),
{T, const N: usize} [T; N],
{T} [T],
@ -275,6 +275,7 @@ marker_impls! {
#[unstable(feature = "structural_match", issue = "31434")]
#[diagnostic::on_unimplemented(message = "the type `{Self}` does not `#[derive(Eq)]`")]
#[lang = "structural_teq"]
#[cfg(bootstrap)]
pub trait StructuralEq {
// Empty.
}
@ -282,6 +283,7 @@ pub trait StructuralEq {
// FIXME: Remove special cases of these types from the compiler pattern checking code and always check `T: StructuralEq` instead
marker_impls! {
#[unstable(feature = "structural_match", issue = "31434")]
#[cfg(bootstrap)]
StructuralEq for
usize, u8, u16, u32, u64, u128,
isize, i8, i16, i32, i64, i128,
@ -859,6 +861,7 @@ impl<T: ?Sized> Default for PhantomData<T> {
impl<T: ?Sized> StructuralPartialEq for PhantomData<T> {}
#[unstable(feature = "structural_match", issue = "31434")]
#[cfg(bootstrap)]
impl<T: ?Sized> StructuralEq for PhantomData<T> {}
/// Compiler-internal trait used to indicate the type of enum discriminants.
@ -1038,6 +1041,20 @@ pub trait PointerLike {}
#[unstable(feature = "adt_const_params", issue = "95174")]
#[diagnostic::on_unimplemented(message = "`{Self}` can't be used as a const parameter type")]
#[allow(multiple_supertrait_upcastable)]
#[cfg(not(bootstrap))]
pub trait ConstParamTy: StructuralPartialEq + Eq {}
/// A marker for types which can be used as types of `const` generic parameters.
///
/// These types must have a proper equivalence relation (`Eq`) and it must be automatically
/// derived (`StructuralPartialEq`). There's a hard-coded check in the compiler ensuring
/// that all fields are also `ConstParamTy`, which implies that recursively, all fields
/// are `StructuralPartialEq`.
#[lang = "const_param_ty"]
#[unstable(feature = "adt_const_params", issue = "95174")]
#[rustc_on_unimplemented(message = "`{Self}` can't be used as a const parameter type")]
#[allow(multiple_supertrait_upcastable)]
#[cfg(bootstrap)]
pub trait ConstParamTy: StructuralEq + StructuralPartialEq + Eq {}
/// Derive macro generating an impl of the trait `ConstParamTy`.

5
library/core/src/tuple.rs
View File

@ -2,7 +2,7 @@
use crate::cmp::Ordering::{self, *};
use crate::marker::ConstParamTy;
use crate::marker::{StructuralEq, StructuralPartialEq};
use crate::marker::StructuralPartialEq;
// Recursive macro for implementing n-ary tuple functions and operations
//
@ -64,7 +64,8 @@ macro_rules! tuple_impls {
maybe_tuple_doc! {
$($T)+ @
#[unstable(feature = "structural_match", issue = "31434")]
impl<$($T),+> StructuralEq for ($($T,)+)
#[cfg(bootstrap)]
impl<$($T),+> crate::marker::StructuralEq for ($($T,)+)
{}
}

2
src/tools/clippy/tests/ui/crashes/ice-6254.rs
View File

@ -11,8 +11,6 @@ fn main() {
// This used to cause an ICE (https://github.com/rust-lang/rust/issues/78071)
match FOO_REF_REF {
FOO_REF_REF => {},
//~^ ERROR: to use a constant of type `Foo` in a pattern, `Foo` must be annotated
//~| NOTE: for more information, see issue #62411 <https://github.com/rust-lang/ru
Foo(_) => {},
}
}

15
src/tools/clippy/tests/ui/crashes/ice-6254.stderr
View File

@ -1,15 +0,0 @@
error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/ice-6254.rs:13:9
|
LL | FOO_REF_REF => {},
| ^^^^^^^^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: `-D indirect-structural-match` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(indirect_structural_match)]`
error: aborting due to 1 previous error

6
tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.rs
View File

@ -8,13 +8,11 @@ impl std::marker::ConstParamTy for ImplementsConstParamTy {}
struct CantParam(ImplementsConstParamTy);
impl std::marker::ConstParamTy for CantParam {}
//~^ error: the type `CantParam` does not `#[derive(Eq)]`
//~| error: the type `CantParam` does not `#[derive(PartialEq)]`
//~^ error: the type `CantParam` does not `#[derive(PartialEq)]`
//~| the trait bound `CantParam: Eq` is not satisfied
#[derive(std::marker::ConstParamTy)]
//~^ error: the type `CantParamDerive` does not `#[derive(Eq)]`
//~| error: the type `CantParamDerive` does not `#[derive(PartialEq)]`
//~^ error: the type `CantParamDerive` does not `#[derive(PartialEq)]`
//~| the trait bound `CantParamDerive: Eq` is not satisfied
struct CantParamDerive(ImplementsConstParamTy);

25
tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.stderr
View File

@ -21,17 +21,8 @@ LL | impl std::marker::ConstParamTy for CantParam {}
note: required by a bound in `ConstParamTy`
--> $SRC_DIR/core/src/marker.rs:LL:COL
error[E0277]: the type `CantParam` does not `#[derive(Eq)]`
--> $DIR/const_param_ty_impl_no_structural_eq.rs:10:36
|
LL | impl std::marker::ConstParamTy for CantParam {}
| ^^^^^^^^^ the trait `StructuralEq` is not implemented for `CantParam`
|
note: required by a bound in `ConstParamTy`
--> $SRC_DIR/core/src/marker.rs:LL:COL
error[E0277]: the trait bound `CantParamDerive: Eq` is not satisfied
--> $DIR/const_param_ty_impl_no_structural_eq.rs:15:10
--> $DIR/const_param_ty_impl_no_structural_eq.rs:14:10
|
LL | #[derive(std::marker::ConstParamTy)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Eq` is not implemented for `CantParamDerive`
@ -46,7 +37,7 @@ LL | struct CantParamDerive(ImplementsConstParamTy);
|
error[E0277]: the type `CantParamDerive` does not `#[derive(PartialEq)]`
--> $DIR/const_param_ty_impl_no_structural_eq.rs:15:10
--> $DIR/const_param_ty_impl_no_structural_eq.rs:14:10
|
LL | #[derive(std::marker::ConstParamTy)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `StructuralPartialEq` is not implemented for `CantParamDerive`
@ -55,16 +46,6 @@ note: required by a bound in `ConstParamTy`
--> $SRC_DIR/core/src/marker.rs:LL:COL
= note: this error originates in the derive macro `std::marker::ConstParamTy` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0277]: the type `CantParamDerive` does not `#[derive(Eq)]`
--> $DIR/const_param_ty_impl_no_structural_eq.rs:15:10
|
LL | #[derive(std::marker::ConstParamTy)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `StructuralEq` is not implemented for `CantParamDerive`
|
note: required by a bound in `ConstParamTy`
--> $SRC_DIR/core/src/marker.rs:LL:COL
= note: this error originates in the derive macro `std::marker::ConstParamTy` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 6 previous errors
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0277`.

4
tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs
View File

@ -1,5 +1,5 @@
#![allow(incomplete_features)]
#![feature(adt_const_params, structural_match)]
#![feature(adt_const_params)]
union Union {
a: u8,
@ -11,7 +11,6 @@ impl PartialEq for Union {
}
}
impl Eq for Union {}
impl std::marker::StructuralEq for Union {}
impl std::marker::ConstParamTy for Union {}
//~^ ERROR the type `Union` does not `#[derive(PartialEq)]`
@ -28,7 +27,6 @@ impl PartialEq for UnionDerive {
}
}
impl Eq for UnionDerive {}
impl std::marker::StructuralEq for UnionDerive {}
fn main() {}

4
tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.stderr
View File

@ -1,11 +1,11 @@
error: this trait cannot be derived for unions
--> $DIR/const_param_ty_impl_union.rs:19:10
--> $DIR/const_param_ty_impl_union.rs:18:10
|
LL | #[derive(std::marker::ConstParamTy)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0277]: the type `Union` does not `#[derive(PartialEq)]`
--> $DIR/const_param_ty_impl_union.rs:16:36
--> $DIR/const_param_ty_impl_union.rs:15:36
|
LL | impl std::marker::ConstParamTy for Union {}
| ^^^^^ the trait `StructuralPartialEq` is not implemented for `Union`

4
tests/ui/const-generics/generic_const_exprs/typeid-equality-by-subtyping.stderr
View File

@ -1,11 +1,11 @@
error: to use a constant of type `TypeId` in a pattern, `TypeId` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `TypeId` in a pattern, `TypeId` must be annotated with `#[derive(PartialEq)]`
--> $DIR/typeid-equality-by-subtyping.rs:18:9
|
LL | WHAT_A_TYPE => 0,
| ^^^^^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 1 previous error

20
tests/ui/const-generics/issues/issue-74950.min.stderr
View File

@ -1,5 +1,5 @@
error: `Inner` is forbidden as the type of a const generic parameter
--> $DIR/issue-74950.rs:20:23
--> $DIR/issue-74950.rs:19:23
|
LL | struct Outer<const I: Inner>;
| ^^^^^
@ -8,7 +8,7 @@ LL | struct Outer<const I: Inner>;
= help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types
error: `Inner` is forbidden as the type of a const generic parameter
--> $DIR/issue-74950.rs:20:23
--> $DIR/issue-74950.rs:19:23
|
LL | struct Outer<const I: Inner>;
| ^^^^^
@ -18,7 +18,7 @@ LL | struct Outer<const I: Inner>;
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: `Inner` is forbidden as the type of a const generic parameter
--> $DIR/issue-74950.rs:20:23
--> $DIR/issue-74950.rs:19:23
|
LL | struct Outer<const I: Inner>;
| ^^^^^
@ -28,7 +28,7 @@ LL | struct Outer<const I: Inner>;
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: `Inner` is forbidden as the type of a const generic parameter
--> $DIR/issue-74950.rs:20:23
--> $DIR/issue-74950.rs:19:23
|
LL | struct Outer<const I: Inner>;
| ^^^^^
@ -37,15 +37,5 @@ LL | struct Outer<const I: Inner>;
= help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: `Inner` is forbidden as the type of a const generic parameter
--> $DIR/issue-74950.rs:20:23
|
LL | struct Outer<const I: Inner>;
| ^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: aborting due to 5 previous errors
error: aborting due to 4 previous errors

2
tests/ui/const-generics/issues/issue-74950.rs
View File

@ -15,13 +15,11 @@ struct Inner;
// - impl PartialEq
// - impl Eq
// - impl StructuralPartialEq
// - impl StructuralEq
#[derive(PartialEq, Eq)]
struct Outer<const I: Inner>;
//[min]~^ `Inner` is forbidden
//[min]~| `Inner` is forbidden
//[min]~| `Inner` is forbidden
//[min]~| `Inner` is forbidden
//[min]~| `Inner` is forbidden
fn main() {}

4
tests/ui/consts/const_in_pattern/cross-crate-fail.rs
View File

@ -11,14 +11,14 @@ fn main() {
let _ = Defaulted;
match None {
consts::SOME => panic!(),
//~^ must be annotated with `#[derive(PartialEq, Eq)]`
//~^ must be annotated with `#[derive(PartialEq)]`
_ => {}
}
match None {
<Defaulted as consts::AssocConst>::SOME => panic!(),
//~^ must be annotated with `#[derive(PartialEq, Eq)]`
//~^ must be annotated with `#[derive(PartialEq)]`
_ => {}
}

8
tests/ui/consts/const_in_pattern/cross-crate-fail.stderr
View File

@ -1,20 +1,20 @@
error: to use a constant of type `CustomEq` in a pattern, `CustomEq` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `CustomEq` in a pattern, `CustomEq` must be annotated with `#[derive(PartialEq)]`
--> $DIR/cross-crate-fail.rs:13:9
|
LL | consts::SOME => panic!(),
| ^^^^^^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: to use a constant of type `CustomEq` in a pattern, `CustomEq` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `CustomEq` in a pattern, `CustomEq` must be annotated with `#[derive(PartialEq)]`
--> $DIR/cross-crate-fail.rs:20:9
|
LL | <Defaulted as consts::AssocConst>::SOME => panic!(),
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 2 previous errors

4
tests/ui/consts/const_in_pattern/custom-eq-branch-warn.rs
View File

@ -27,9 +27,9 @@ const BAR_BAZ: Foo = if 42 == 42 {
fn main() {
match Foo::Qux(CustomEq) {
BAR_BAZ => panic!(),
//~^ WARN must be annotated with `#[derive(PartialEq, Eq)]`
//~^ WARN must be annotated with `#[derive(PartialEq)]`
//~| NOTE the traits must be derived
//~| NOTE StructuralEq.html for details
//~| NOTE StructuralPartialEq.html for details
//~| WARN this was previously accepted
//~| NOTE see issue #73448
//~| NOTE `#[warn(nontrivial_structural_match)]` on by default

4
tests/ui/consts/const_in_pattern/custom-eq-branch-warn.stderr
View File

@ -1,4 +1,4 @@
warning: to use a constant of type `CustomEq` in a pattern, the constant's initializer must be trivial or `CustomEq` must be annotated with `#[derive(PartialEq, Eq)]`
warning: to use a constant of type `CustomEq` in a pattern, the constant's initializer must be trivial or `CustomEq` must be annotated with `#[derive(PartialEq)]`
--> $DIR/custom-eq-branch-warn.rs:29:9
|
LL | BAR_BAZ => panic!(),
@ -7,7 +7,7 @@ LL | BAR_BAZ => panic!(),
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #73448 <https://github.com/rust-lang/rust/issues/73448>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
= note: `#[warn(nontrivial_structural_match)]` on by default
warning: 1 warning emitted

4
tests/ui/consts/const_in_pattern/incomplete-slice.rs
View File

@ -7,9 +7,7 @@ const E_SL: &[E] = &[E::A];
fn main() {
match &[][..] {
//~^ ERROR non-exhaustive patterns: `&_` not covered [E0004]
//~^ ERROR non-exhaustive patterns: `&[]` and `&[_, _, ..]` not covered [E0004]
E_SL => {}
//~^ WARN to use a constant of type `E` in a pattern, `E` must be annotated with `#[derive(PartialEq, Eq)]`
//~| WARN this was previously accepted by the compiler but is being phased out
}
}

22
tests/ui/consts/const_in_pattern/incomplete-slice.stderr
View File

@ -1,28 +1,16 @@
warning: to use a constant of type `E` in a pattern, `E` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/incomplete-slice.rs:11:9
|
LL | E_SL => {}
| ^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: `#[warn(indirect_structural_match)]` on by default
error[E0004]: non-exhaustive patterns: `&_` not covered
error[E0004]: non-exhaustive patterns: `&[]` and `&[_, _, ..]` not covered
--> $DIR/incomplete-slice.rs:9:11
|
LL | match &[][..] {
| ^^^^^^^ pattern `&_` not covered
| ^^^^^^^ patterns `&[]` and `&[_, _, ..]` not covered
|
= note: the matched value is of type `&[E]`
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms
|
LL ~ E_SL => {},
LL + &_ => todo!()
LL + &[] | &[_, _, ..] => todo!()
|
error: aborting due to 1 previous error; 1 warning emitted
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0004`.

16
tests/ui/consts/const_in_pattern/issue-78057.rs
View File

@ -1,16 +0,0 @@
#![deny(unreachable_patterns)]
#[derive(PartialEq)]
struct Opaque(i32);
impl Eq for Opaque {}
const FOO: Opaque = Opaque(42);
fn main() {
match FOO {
FOO => {},
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
_ => {}
}
}

11
tests/ui/consts/const_in_pattern/issue-78057.stderr
View File

@ -1,11 +0,0 @@
error: to use a constant of type `Opaque` in a pattern, `Opaque` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/issue-78057.rs:12:9
|
LL | FOO => {},
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
error: aborting due to 1 previous error

2
tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs
View File

@ -19,7 +19,7 @@ const BAR_BAZ: Foo = if 42 == 42 {
fn main() {
match Foo::Qux(NoEq) {
BAR_BAZ => panic!(),
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
_ => {}
}
}

4
tests/ui/consts/const_in_pattern/no-eq-branch-fail.stderr
View File

@ -1,11 +1,11 @@
error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq)]`
--> $DIR/no-eq-branch-fail.rs:21:9
|
LL | BAR_BAZ => panic!(),
| ^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 1 previous error

4
tests/ui/consts/const_in_pattern/null-raw-ptr-issue-119270.rs
View File

@ -1,6 +1,4 @@
// run-pass
// Eventually this will be rejected (when the future-compat lints are turned into hard errors), and
// then this test can be removed. But meanwhile we should ensure that this works and does not ICE.
struct NoDerive(#[allow(dead_code)] i32);
#[derive(PartialEq)]
@ -11,8 +9,6 @@ const WRAP_UNSAFE_EMBEDDED: &&WrapEmbedded = &&WrapEmbedded(std::ptr::null());
fn main() {
let b = match WRAP_UNSAFE_EMBEDDED {
WRAP_UNSAFE_EMBEDDED => true,
//~^ WARN: must be annotated with `#[derive(PartialEq, Eq)]`
//~| previously accepted
_ => false,
};
assert!(b);

14
tests/ui/consts/const_in_pattern/null-raw-ptr-issue-119270.stderr
View File

@ -1,14 +0,0 @@
warning: to use a constant of type `WrapEmbedded` in a pattern, `WrapEmbedded` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/null-raw-ptr-issue-119270.rs:13:9
|
LL | WRAP_UNSAFE_EMBEDDED => true,
| ^^^^^^^^^^^^^^^^^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: `#[warn(indirect_structural_match)]` on by default
warning: 1 warning emitted

2
tests/ui/consts/const_in_pattern/reject_non_partial_eq.rs
View File

@ -26,7 +26,7 @@ fn main() {
match None {
NO_PARTIAL_EQ_NONE => println!("NO_PARTIAL_EQ_NONE"),
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
_ => panic!("whoops"),
}
}

4
tests/ui/consts/const_in_pattern/reject_non_partial_eq.stderr
View File

@ -1,11 +1,11 @@
error: to use a constant of type `NoPartialEq` in a pattern, `NoPartialEq` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `NoPartialEq` in a pattern, `NoPartialEq` must be annotated with `#[derive(PartialEq)]`
--> $DIR/reject_non_partial_eq.rs:28:9
|
LL | NO_PARTIAL_EQ_NONE => println!("NO_PARTIAL_EQ_NONE"),
| ^^^^^^^^^^^^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 1 previous error

40
tests/ui/consts/const_in_pattern/reject_non_structural.rs
View File

@ -40,65 +40,65 @@ fn main() {
const ENUM: Derive<NoDerive> = Derive::Some(NoDerive);
match Derive::Some(NoDerive) { ENUM => dbg!(ENUM), _ => panic!("whoops"), };
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
//~| NOTE the traits must be derived
//~| NOTE StructuralEq.html for details
//~| NOTE StructuralPartialEq.html for details
const FIELD: OND = TrivialEq(Some(NoDerive)).0;
match Some(NoDerive) { FIELD => dbg!(FIELD), _ => panic!("whoops"), };
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
//~| NOTE the traits must be derived
//~| NOTE StructuralEq.html for details
//~| NOTE StructuralPartialEq.html for details
const NO_DERIVE_SOME: OND = Some(NoDerive);
const INDIRECT: OND = NO_DERIVE_SOME;
match Some(NoDerive) {INDIRECT => dbg!(INDIRECT), _ => panic!("whoops"), };
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
//~| NOTE the traits must be derived
//~| NOTE StructuralEq.html for details
//~| NOTE StructuralPartialEq.html for details
const TUPLE: (OND, OND) = (None, Some(NoDerive));
match (None, Some(NoDerive)) { TUPLE => dbg!(TUPLE), _ => panic!("whoops"), };
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
//~| NOTE the traits must be derived
//~| NOTE StructuralEq.html for details
//~| NOTE StructuralPartialEq.html for details
const TYPE_ASCRIPTION: OND = type_ascribe!(Some(NoDerive), OND);
match Some(NoDerive) { TYPE_ASCRIPTION => dbg!(TYPE_ASCRIPTION), _ => panic!("whoops"), };
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
//~| NOTE the traits must be derived
//~| NOTE StructuralEq.html for details
//~| NOTE StructuralPartialEq.html for details
const ARRAY: [OND; 2] = [None, Some(NoDerive)];
match [None, Some(NoDerive)] { ARRAY => dbg!(ARRAY), _ => panic!("whoops"), };
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
//~| NOTE the traits must be derived
//~| NOTE StructuralEq.html for details
//~| NOTE StructuralPartialEq.html for details
const REPEAT: [OND; 2] = [Some(NoDerive); 2];
match [Some(NoDerive); 2] { REPEAT => dbg!(REPEAT), _ => panic!("whoops"), };
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
//~| NOTE the traits must be derived
//~| NOTE StructuralEq.html for details
//~| NOTE StructuralPartialEq.html for details
trait Trait: Sized { const ASSOC: Option<Self>; }
impl Trait for NoDerive { const ASSOC: Option<NoDerive> = Some(NoDerive); }
match Some(NoDerive) { NoDerive::ASSOC => dbg!(NoDerive::ASSOC), _ => panic!("whoops"), };
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
//~| NOTE the traits must be derived
//~| NOTE StructuralEq.html for details
//~| NOTE StructuralPartialEq.html for details
const BLOCK: OND = { NoDerive; Some(NoDerive) };
match Some(NoDerive) { BLOCK => dbg!(BLOCK), _ => panic!("whoops"), };
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
//~| NOTE the traits must be derived
//~| NOTE StructuralEq.html for details
//~| NOTE StructuralPartialEq.html for details
const ADDR_OF: &OND = &Some(NoDerive);
match &Some(NoDerive) { ADDR_OF => dbg!(ADDR_OF), _ => panic!("whoops"), };
//~^ WARN must be annotated with `#[derive(PartialEq, Eq)]`
//~^ WARN must be annotated with `#[derive(PartialEq)]`
//~| NOTE the traits must be derived
//~| NOTE StructuralEq.html for details
//~| NOTE StructuralPartialEq.html for details
//~| WARN previously accepted by the compiler but is being phased out
//~| NOTE for more information, see issue #62411
}

40
tests/ui/consts/const_in_pattern/reject_non_structural.stderr
View File

@ -1,85 +1,85 @@
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/reject_non_structural.rs:42:36
|
LL | match Derive::Some(NoDerive) { ENUM => dbg!(ENUM), _ => panic!("whoops"), };
| ^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/reject_non_structural.rs:48:28
|
LL | match Some(NoDerive) { FIELD => dbg!(FIELD), _ => panic!("whoops"), };
| ^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/reject_non_structural.rs:55:27
|
LL | match Some(NoDerive) {INDIRECT => dbg!(INDIRECT), _ => panic!("whoops"), };
| ^^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/reject_non_structural.rs:61:36
|
LL | match (None, Some(NoDerive)) { TUPLE => dbg!(TUPLE), _ => panic!("whoops"), };
| ^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/reject_non_structural.rs:67:28
|
LL | match Some(NoDerive) { TYPE_ASCRIPTION => dbg!(TYPE_ASCRIPTION), _ => panic!("whoops"), };
| ^^^^^^^^^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/reject_non_structural.rs:73:36
|
LL | match [None, Some(NoDerive)] { ARRAY => dbg!(ARRAY), _ => panic!("whoops"), };
| ^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/reject_non_structural.rs:79:33
|
LL | match [Some(NoDerive); 2] { REPEAT => dbg!(REPEAT), _ => panic!("whoops"), };
| ^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/reject_non_structural.rs:86:28
|
LL | match Some(NoDerive) { NoDerive::ASSOC => dbg!(NoDerive::ASSOC), _ => panic!("whoops"), };
| ^^^^^^^^^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/reject_non_structural.rs:92:28
|
LL | match Some(NoDerive) { BLOCK => dbg!(BLOCK), _ => panic!("whoops"), };
| ^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/reject_non_structural.rs:98:29
|
LL | match &Some(NoDerive) { ADDR_OF => dbg!(ADDR_OF), _ => panic!("whoops"), };
@ -88,7 +88,7 @@ LL | match &Some(NoDerive) { ADDR_OF => dbg!(ADDR_OF), _ => panic!("whoops")
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
note: the lint level is defined here
--> $DIR/reject_non_structural.rs:14:9
|

6
tests/ui/consts/const_in_pattern/warn_corner_cases.rs
View File

@ -24,18 +24,18 @@ impl Eq for NoDerive { }
fn main() {
const INDEX: Option<NoDerive> = [None, Some(NoDerive(10))][0];
match None { Some(_) => panic!("whoops"), INDEX => dbg!(INDEX), };
//~^ WARN must be annotated with `#[derive(PartialEq, Eq)]`
//~^ WARN must be annotated with `#[derive(PartialEq)]`
//~| WARN this was previously accepted
const fn build() -> Option<NoDerive> { None }
const CALL: Option<NoDerive> = build();
match None { Some(_) => panic!("whoops"), CALL => dbg!(CALL), };
//~^ WARN must be annotated with `#[derive(PartialEq, Eq)]`
//~^ WARN must be annotated with `#[derive(PartialEq)]`
//~| WARN this was previously accepted
impl NoDerive { const fn none() -> Option<NoDerive> { None } }
const METHOD_CALL: Option<NoDerive> = NoDerive::none();
match None { Some(_) => panic!("whoops"), METHOD_CALL => dbg!(METHOD_CALL), };
//~^ WARN must be annotated with `#[derive(PartialEq, Eq)]`
//~^ WARN must be annotated with `#[derive(PartialEq)]`
//~| WARN this was previously accepted
}

12
tests/ui/consts/const_in_pattern/warn_corner_cases.stderr
View File

@ -1,4 +1,4 @@
warning: to use a constant of type `NoDerive` in a pattern, the constant's initializer must be trivial or `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
warning: to use a constant of type `NoDerive` in a pattern, the constant's initializer must be trivial or `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/warn_corner_cases.rs:26:47
|
LL | match None { Some(_) => panic!("whoops"), INDEX => dbg!(INDEX), };
@ -7,10 +7,10 @@ LL | match None { Some(_) => panic!("whoops"), INDEX => dbg!(INDEX), };
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #73448 <https://github.com/rust-lang/rust/issues/73448>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
= note: `#[warn(nontrivial_structural_match)]` on by default
warning: to use a constant of type `NoDerive` in a pattern, the constant's initializer must be trivial or `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
warning: to use a constant of type `NoDerive` in a pattern, the constant's initializer must be trivial or `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/warn_corner_cases.rs:32:47
|
LL | match None { Some(_) => panic!("whoops"), CALL => dbg!(CALL), };
@ -19,9 +19,9 @@ LL | match None { Some(_) => panic!("whoops"), CALL => dbg!(CALL), };
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #73448 <https://github.com/rust-lang/rust/issues/73448>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
warning: to use a constant of type `NoDerive` in a pattern, the constant's initializer must be trivial or `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
warning: to use a constant of type `NoDerive` in a pattern, the constant's initializer must be trivial or `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/warn_corner_cases.rs:38:47
|
LL | match None { Some(_) => panic!("whoops"), METHOD_CALL => dbg!(METHOD_CALL), };
@ -30,7 +30,7 @@ LL | match None { Some(_) => panic!("whoops"), METHOD_CALL => dbg!(METHOD_CA
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #73448 <https://github.com/rust-lang/rust/issues/73448>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
warning: 3 warnings emitted

2
tests/ui/consts/match_ice.rs
View File

@ -9,7 +9,7 @@ fn main() {
const C: &S = &S;
match C {
C => {}
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
}
const K: &T = &T;
match K {

4
tests/ui/consts/match_ice.stderr
View File

@ -1,11 +1,11 @@
error: to use a constant of type `S` in a pattern, `S` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `S` in a pattern, `S` must be annotated with `#[derive(PartialEq)]`
--> $DIR/match_ice.rs:11:9
|
LL | C => {}
| ^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 1 previous error

28
tests/ui/deriving/deriving-all-codegen.stdout
View File

@ -56,8 +56,6 @@ impl ::core::cmp::PartialEq for Empty {
fn eq(&self, other: &Empty) -> bool { true }
}
#[automatically_derived]
impl ::core::marker::StructuralEq for Empty { }
#[automatically_derived]
impl ::core::cmp::Eq for Empty {
#[inline]
#[doc(hidden)]
@ -132,8 +130,6 @@ impl ::core::cmp::PartialEq for Point {
}
}
#[automatically_derived]
impl ::core::marker::StructuralEq for Point { }
#[automatically_derived]
impl ::core::cmp::Eq for Point {
#[inline]
#[doc(hidden)]
@ -219,8 +215,6 @@ impl ::core::cmp::PartialEq for PackedPoint {
}
}
#[automatically_derived]
impl ::core::marker::StructuralEq for PackedPoint { }
#[automatically_derived]
impl ::core::cmp::Eq for PackedPoint {
#[inline]
#[doc(hidden)]
@ -333,8 +327,6 @@ impl ::core::cmp::PartialEq for Big {
}
}
#[automatically_derived]
impl ::core::marker::StructuralEq for Big { }
#[automatically_derived]
impl ::core::cmp::Eq for Big {
#[inline]
#[doc(hidden)]
@ -500,8 +492,6 @@ impl ::core::cmp::PartialEq for Unsized {
fn eq(&self, other: &Unsized) -> bool { self.0 == other.0 }
}
#[automatically_derived]
impl ::core::marker::StructuralEq for Unsized { }
#[automatically_derived]
impl ::core::cmp::Eq for Unsized {
#[inline]
#[doc(hidden)]
@ -616,8 +606,6 @@ impl<T: ::core::cmp::PartialEq + Trait, U: ::core::cmp::PartialEq>
}
}
#[automatically_derived]
impl<T: Trait, U> ::core::marker::StructuralEq for Generic<T, U> { }
#[automatically_derived]
impl<T: ::core::cmp::Eq + Trait, U: ::core::cmp::Eq> ::core::cmp::Eq for
Generic<T, U> where T::A: ::core::cmp::Eq {
#[inline]
@ -739,8 +727,6 @@ impl<T: ::core::cmp::PartialEq + ::core::marker::Copy + Trait,
}
}
#[automatically_derived]
impl<T: Trait, U> ::core::marker::StructuralEq for PackedGeneric<T, U> { }
#[automatically_derived]
impl<T: ::core::cmp::Eq + ::core::marker::Copy + Trait, U: ::core::cmp::Eq +
::core::marker::Copy> ::core::cmp::Eq for PackedGeneric<T, U> where
T::A: ::core::cmp::Eq + ::core::marker::Copy {
@ -825,8 +811,6 @@ impl ::core::cmp::PartialEq for Enum0 {
fn eq(&self, other: &Enum0) -> bool { match *self {} }
}
#[automatically_derived]
impl ::core::marker::StructuralEq for Enum0 { }
#[automatically_derived]
impl ::core::cmp::Eq for Enum0 {
#[inline]
#[doc(hidden)]
@ -897,8 +881,6 @@ impl ::core::cmp::PartialEq for Enum1 {
}
}
#[automatically_derived]
impl ::core::marker::StructuralEq for Enum1 { }
#[automatically_derived]
impl ::core::cmp::Eq for Enum1 {
#[inline]
#[doc(hidden)]
@ -965,8 +947,6 @@ impl ::core::cmp::PartialEq for Fieldless1 {
fn eq(&self, other: &Fieldless1) -> bool { true }
}
#[automatically_derived]
impl ::core::marker::StructuralEq for Fieldless1 { }
#[automatically_derived]
impl ::core::cmp::Eq for Fieldless1 {
#[inline]
#[doc(hidden)]
@ -1041,8 +1021,6 @@ impl ::core::cmp::PartialEq for Fieldless {
}
}
#[automatically_derived]
impl ::core::marker::StructuralEq for Fieldless { }
#[automatically_derived]
impl ::core::cmp::Eq for Fieldless {
#[inline]
#[doc(hidden)]
@ -1150,8 +1128,6 @@ impl ::core::cmp::PartialEq for Mixed {
}
}
#[automatically_derived]
impl ::core::marker::StructuralEq for Mixed { }
#[automatically_derived]
impl ::core::cmp::Eq for Mixed {
#[inline]
#[doc(hidden)]
@ -1279,8 +1255,6 @@ impl ::core::cmp::PartialEq for Fielded {
}
}
#[automatically_derived]
impl ::core::marker::StructuralEq for Fielded { }
#[automatically_derived]
impl ::core::cmp::Eq for Fielded {
#[inline]
#[doc(hidden)]
@ -1402,8 +1376,6 @@ impl<T: ::core::cmp::PartialEq, U: ::core::cmp::PartialEq>
}
}
#[automatically_derived]
impl<T, U> ::core::marker::StructuralEq for EnumGeneric<T, U> { }
#[automatically_derived]
impl<T: ::core::cmp::Eq, U: ::core::cmp::Eq> ::core::cmp::Eq for
EnumGeneric<T, U> {
#[inline]

2
tests/ui/pattern/issue-115599.rs
View File

@ -3,5 +3,5 @@ const CONST_STRING: String = String::new();
fn main() {
let empty_str = String::from("");
if let CONST_STRING = empty_str {}
//~^ ERROR to use a constant of type `Vec<u8>` in a pattern, `Vec<u8>` must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR to use a constant of type `Vec<u8>` in a pattern, `Vec<u8>` must be annotated with `#[derive(PartialEq)]`
}

4
tests/ui/pattern/issue-115599.stderr
View File

@ -1,11 +1,11 @@
error: to use a constant of type `Vec<u8>` in a pattern, `Vec<u8>` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `Vec<u8>` in a pattern, `Vec<u8>` must be annotated with `#[derive(PartialEq)]`
--> $DIR/issue-115599.rs:5:12
|
LL | if let CONST_STRING = empty_str {}
| ^^^^^^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 1 previous error

2
tests/ui/pattern/usefulness/const-partial_eq-fallback-ice.rs
View File

@ -12,7 +12,7 @@ const CONSTANT: &&MyType = &&MyType;
fn main() {
if let CONSTANT = &&MyType {
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
println!("did match!");
}
}

4
tests/ui/pattern/usefulness/const-partial_eq-fallback-ice.stderr
View File

@ -1,11 +1,11 @@
error: to use a constant of type `MyType` in a pattern, `MyType` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `MyType` in a pattern, `MyType` must be annotated with `#[derive(PartialEq)]`
--> $DIR/const-partial_eq-fallback-ice.rs:14:12
|
LL | if let CONSTANT = &&MyType {
| ^^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 1 previous error

28
tests/ui/pattern/usefulness/consts-opaque.rs
View File

@ -29,65 +29,63 @@ const BAZ: Baz = Baz::Baz1;
fn main() {
match FOO {
FOO => {}
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
_ => {}
}
match FOO_REF {
FOO_REF => {}
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
Foo(_) => {}
}
// This used to cause an ICE (https://github.com/rust-lang/rust/issues/78071)
match FOO_REF_REF {
FOO_REF_REF => {}
//~^ WARNING must be annotated with `#[derive(PartialEq, Eq)]`
//~| WARNING this was previously accepted by the compiler but is being phased out
Foo(_) => {}
}
match BAR {
Bar => {}
BAR => {}
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR unreachable pattern
_ => {}
//~^ ERROR unreachable pattern
}
match BAR {
BAR => {}
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
Bar => {}
//~^ ERROR unreachable pattern
_ => {}
//~^ ERROR unreachable pattern
}
match BAR {
BAR => {}
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
BAR => {}
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
_ => {}
BAR => {} // should not be emitting unreachable warning
//~^ ERROR unreachable pattern
_ => {} // should not be emitting unreachable warning
//~^ ERROR unreachable pattern
}
match BAZ {
BAZ => {}
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
Baz::Baz1 => {}
Baz::Baz1 => {} // should not be emitting unreachable warning
//~^ ERROR unreachable pattern
_ => {}
}
match BAZ {
Baz::Baz1 => {}
BAZ => {}
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR unreachable pattern
_ => {}
}
match BAZ {
BAZ => {}
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
Baz::Baz2 => {}
_ => {}
_ => {} // should not be emitting unreachable warning
//~^ ERROR unreachable pattern
}
type Quux = fn(usize, usize) -> usize;

204
tests/ui/pattern/usefulness/consts-opaque.stderr
View File

@ -1,98 +1,5 @@
error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/consts-opaque.rs:31:9
|
LL | FOO => {}
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/consts-opaque.rs:37:9
|
LL | FOO_REF => {}
| ^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
warning: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/consts-opaque.rs:44:9
|
LL | FOO_REF_REF => {}
| ^^^^^^^^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: `#[warn(indirect_structural_match)]` on by default
error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/consts-opaque.rs:52:9
|
LL | BAR => {}
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/consts-opaque.rs:58:9
|
LL | BAR => {}
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/consts-opaque.rs:65:9
|
LL | BAR => {}
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/consts-opaque.rs:67:9
|
LL | BAR => {}
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
error: to use a constant of type `Baz` in a pattern, `Baz` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/consts-opaque.rs:73:9
|
LL | BAZ => {}
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
error: to use a constant of type `Baz` in a pattern, `Baz` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/consts-opaque.rs:81:9
|
LL | BAZ => {}
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
error: to use a constant of type `Baz` in a pattern, `Baz` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/consts-opaque.rs:87:9
|
LL | BAZ => {}
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
--> $DIR/consts-opaque.rs:98:9
--> $DIR/consts-opaque.rs:96:9
|
LL | QUUX => {}
| ^^^^
@ -102,7 +9,7 @@ LL | QUUX => {}
= note: `#[warn(pointer_structural_match)]` on by default
warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
--> $DIR/consts-opaque.rs:100:9
--> $DIR/consts-opaque.rs:98:9
|
LL | QUUX => {}
| ^^^^
@ -110,6 +17,15 @@ LL | QUUX => {}
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/70861>
warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
--> $DIR/consts-opaque.rs:108:9
|
LL | WRAPQUUX => {}
| ^^^^^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/70861>
warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
--> $DIR/consts-opaque.rs:110:9
|
@ -120,7 +36,7 @@ LL | WRAPQUUX => {}
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/70861>
warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
--> $DIR/consts-opaque.rs:112:9
--> $DIR/consts-opaque.rs:117:9
|
LL | WRAPQUUX => {}
| ^^^^^^^^
@ -129,7 +45,7 @@ LL | WRAPQUUX => {}
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/70861>
warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
--> $DIR/consts-opaque.rs:119:9
--> $DIR/consts-opaque.rs:127:9
|
LL | WRAPQUUX => {}
| ^^^^^^^^
@ -138,16 +54,7 @@ LL | WRAPQUUX => {}
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/70861>
warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
--> $DIR/consts-opaque.rs:129:9
|
LL | WRAPQUUX => {}
| ^^^^^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/70861>
warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
--> $DIR/consts-opaque.rs:141:9
--> $DIR/consts-opaque.rs:139:9
|
LL | WHOKNOWSQUUX => {}
| ^^^^^^^^^^^^
@ -156,7 +63,7 @@ LL | WHOKNOWSQUUX => {}
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/70861>
warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
--> $DIR/consts-opaque.rs:144:9
--> $DIR/consts-opaque.rs:142:9
|
LL | WHOKNOWSQUUX => {}
| ^^^^^^^^^^^^
@ -164,14 +71,89 @@ LL | WHOKNOWSQUUX => {}
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/70861>
error: unreachable pattern
--> $DIR/consts-opaque.rs:48:9
|
LL | Bar => {}
| --- matches any value
LL | BAR => {}
| ^^^ unreachable pattern
|
note: the lint level is defined here
--> $DIR/consts-opaque.rs:6:9
|
LL | #![deny(unreachable_patterns)]
| ^^^^^^^^^^^^^^^^^^^^
error: unreachable pattern
--> $DIR/consts-opaque.rs:50:9
|
LL | Bar => {}
| --- matches any value
...
LL | _ => {}
| ^ unreachable pattern
error: unreachable pattern
--> $DIR/consts-opaque.rs:56:9
|
LL | BAR => {}
| --- matches any value
LL | Bar => {}
| ^^^ unreachable pattern
error: unreachable pattern
--> $DIR/consts-opaque.rs:58:9
|
LL | BAR => {}
| --- matches any value
...
LL | _ => {}
| ^ unreachable pattern
error: unreachable pattern
--> $DIR/consts-opaque.rs:64:9
|
LL | BAR => {}
| --- matches any value
LL | BAR => {} // should not be emitting unreachable warning
| ^^^ unreachable pattern
error: unreachable pattern
--> $DIR/consts-opaque.rs:66:9
|
LL | BAR => {}
| --- matches any value
...
LL | _ => {} // should not be emitting unreachable warning
| ^ unreachable pattern
error: unreachable pattern
--> $DIR/consts-opaque.rs:72:9
|
LL | Baz::Baz1 => {} // should not be emitting unreachable warning
| ^^^^^^^^^
error: unreachable pattern
--> $DIR/consts-opaque.rs:79:9
|
LL | BAZ => {}
| ^^^
error: unreachable pattern
--> $DIR/consts-opaque.rs:87:9
|
LL | _ => {} // should not be emitting unreachable warning
| ^
error[E0004]: non-exhaustive patterns: `Wrap(_)` not covered
--> $DIR/consts-opaque.rs:127:11
--> $DIR/consts-opaque.rs:125:11
|
LL | match WRAPQUUX {
| ^^^^^^^^ pattern `Wrap(_)` not covered
|
note: `Wrap<fn(usize, usize) -> usize>` defined here
--> $DIR/consts-opaque.rs:106:12
--> $DIR/consts-opaque.rs:104:12
|
LL | struct Wrap<T>(T);
| ^^^^
@ -181,6 +163,6 @@ help: ensure that all possible cases are being handled by adding a match arm wit
LL | WRAPQUUX => {}, Wrap(_) => todo!()
| ++++++++++++++++++++
error: aborting due to 10 previous errors; 9 warnings emitted
error: aborting due to 10 previous errors; 8 warnings emitted
For more information about this error, try `rustc --explain E0004`.

2
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-direct-struct-embedded.rs
View File

@ -20,7 +20,7 @@ const WRAP_DIRECT_INLINE: WrapInline = WrapInline(NoDerive(0));
fn main() {
match WRAP_DIRECT_INLINE {
WRAP_DIRECT_INLINE => { panic!("WRAP_DIRECT_INLINE matched itself"); }
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
_ => { println!("WRAP_DIRECT_INLINE did not match itself"); }
}
}

4
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-direct-struct-embedded.stderr
View File

@ -1,11 +1,11 @@
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/cant-hide-behind-direct-struct-embedded.rs:22:9
|
LL | WRAP_DIRECT_INLINE => { panic!("WRAP_DIRECT_INLINE matched itself"); }
| ^^^^^^^^^^^^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 1 previous error

2
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-direct-struct-param.rs
View File

@ -20,7 +20,7 @@ const WRAP_DIRECT_PARAM: WrapParam<NoDerive> = WrapParam(NoDerive(0));
fn main() {
match WRAP_DIRECT_PARAM {
WRAP_DIRECT_PARAM => { panic!("WRAP_DIRECT_PARAM matched itself"); }
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
_ => { println!("WRAP_DIRECT_PARAM did not match itself"); }
}
}

4
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-direct-struct-param.stderr
View File

@ -1,11 +1,11 @@
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/cant-hide-behind-direct-struct-param.rs:22:9
|
LL | WRAP_DIRECT_PARAM => { panic!("WRAP_DIRECT_PARAM matched itself"); }
| ^^^^^^^^^^^^^^^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 1 previous error

2
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-embedded.rs
View File

@ -22,7 +22,7 @@ const WRAP_DOUBLY_INDIRECT_INLINE: & &WrapInline = & &WrapInline(& & NoDerive(0)
fn main() {
match WRAP_DOUBLY_INDIRECT_INLINE {
WRAP_DOUBLY_INDIRECT_INLINE => { panic!("WRAP_DOUBLY_INDIRECT_INLINE matched itself"); }
//~^ WARN must be annotated with `#[derive(PartialEq, Eq)]`
//~^ WARN must be annotated with `#[derive(PartialEq)]`
//~| WARN this was previously accepted
_ => { println!("WRAP_DOUBLY_INDIRECT_INLINE correctly did not match itself"); }
}

4
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-embedded.stderr
View File

@ -1,4 +1,4 @@
warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/cant-hide-behind-doubly-indirect-embedded.rs:24:9
|
LL | WRAP_DOUBLY_INDIRECT_INLINE => { panic!("WRAP_DOUBLY_INDIRECT_INLINE matched itself"); }
@ -7,7 +7,7 @@ LL | WRAP_DOUBLY_INDIRECT_INLINE => { panic!("WRAP_DOUBLY_INDIRECT_INLIN
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
note: the lint level is defined here
--> $DIR/cant-hide-behind-doubly-indirect-embedded.rs:7:9
|

2
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.rs
View File

@ -22,7 +22,7 @@ const WRAP_DOUBLY_INDIRECT_PARAM: & &WrapParam<NoDerive> = & &WrapParam(& & NoDe
fn main() {
match WRAP_DOUBLY_INDIRECT_PARAM {
WRAP_DOUBLY_INDIRECT_PARAM => { panic!("WRAP_DOUBLY_INDIRECT_PARAM matched itself"); }
//~^ WARN must be annotated with `#[derive(PartialEq, Eq)]`
//~^ WARN must be annotated with `#[derive(PartialEq)]`
//~| WARN this was previously accepted
_ => { println!("WRAP_DOUBLY_INDIRECT_PARAM correctly did not match itself"); }
}

4
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.stderr
View File

@ -1,4 +1,4 @@
warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/cant-hide-behind-doubly-indirect-param.rs:24:9
|
LL | WRAP_DOUBLY_INDIRECT_PARAM => { panic!("WRAP_DOUBLY_INDIRECT_PARAM matched itself"); }
@ -7,7 +7,7 @@ LL | WRAP_DOUBLY_INDIRECT_PARAM => { panic!("WRAP_DOUBLY_INDIRECT_PARAM
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
note: the lint level is defined here
--> $DIR/cant-hide-behind-doubly-indirect-param.rs:7:9
|

2
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-embedded.rs
View File

@ -22,7 +22,7 @@ const WRAP_INDIRECT_INLINE: & &WrapInline = & &WrapInline(NoDerive(0));
fn main() {
match WRAP_INDIRECT_INLINE {
WRAP_INDIRECT_INLINE => { panic!("WRAP_INDIRECT_INLINE matched itself"); }
//~^ WARN must be annotated with `#[derive(PartialEq, Eq)]`
//~^ WARN must be annotated with `#[derive(PartialEq)]`
//~| WARN this was previously accepted
_ => { println!("WRAP_INDIRECT_INLINE did not match itself"); }
}

4
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-embedded.stderr
View File

@ -1,4 +1,4 @@
warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/cant-hide-behind-indirect-struct-embedded.rs:24:9
|
LL | WRAP_INDIRECT_INLINE => { panic!("WRAP_INDIRECT_INLINE matched itself"); }
@ -7,7 +7,7 @@ LL | WRAP_INDIRECT_INLINE => { panic!("WRAP_INDIRECT_INLINE matched itse
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
note: the lint level is defined here
--> $DIR/cant-hide-behind-indirect-struct-embedded.rs:7:9
|

2
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-param.rs
View File

@ -22,7 +22,7 @@ const WRAP_INDIRECT_PARAM: & &WrapParam<NoDerive> = & &WrapParam(NoDerive(0));
fn main() {
match WRAP_INDIRECT_PARAM {
WRAP_INDIRECT_PARAM => { panic!("WRAP_INDIRECT_PARAM matched itself"); }
//~^ WARN must be annotated with `#[derive(PartialEq, Eq)]`
//~^ WARN must be annotated with `#[derive(PartialEq)]`
//~| WARN this was previously accepted
_ => { println!("WRAP_INDIRECT_PARAM correctly did not match itself"); }
}

4
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-param.stderr
View File

@ -1,4 +1,4 @@
warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq, Eq)]`
warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]`
--> $DIR/cant-hide-behind-indirect-struct-param.rs:24:9
|
LL | WRAP_INDIRECT_PARAM => { panic!("WRAP_INDIRECT_PARAM matched itself"); }
@ -7,7 +7,7 @@ LL | WRAP_INDIRECT_PARAM => { panic!("WRAP_INDIRECT_PARAM matched itself
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
note: the lint level is defined here
--> $DIR/cant-hide-behind-indirect-struct-param.rs:7:9
|

12
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/feature-gate.no_gate.stderr
View File

@ -8,16 +8,6 @@ LL | impl std::marker::StructuralPartialEq for Foo { }
= help: add `#![feature(structural_match)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0658]: use of unstable library feature 'structural_match'
--> $DIR/feature-gate.rs:31:6
|
LL | impl std::marker::StructuralEq for Foo { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #31434 <https://github.com/rust-lang/rust/issues/31434> for more information
= help: add `#![feature(structural_match)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error: aborting due to 2 previous errors
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0658`.

2
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/feature-gate.rs
View File

@ -28,8 +28,6 @@ fn main() { //[with_gate]~ ERROR fatal error triggered by #[rustc_error]
impl std::marker::StructuralPartialEq for Foo { }
//[no_gate]~^ ERROR use of unstable library feature 'structural_match'
impl std::marker::StructuralEq for Foo { }
//[no_gate]~^ ERROR use of unstable library feature 'structural_match'
impl PartialEq<Foo> for Foo {
fn eq(&self, other: &Self) -> bool {

2
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-61188-match-slice-forbidden-without-eq.rs
View File

@ -13,7 +13,7 @@ const A: &[B] = &[];
pub fn main() {
match &[][..] {
A => (),
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
_ => (),
}
}

4
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-61188-match-slice-forbidden-without-eq.stderr
View File

@ -1,11 +1,11 @@
error: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq)]`
--> $DIR/issue-61188-match-slice-forbidden-without-eq.rs:15:9
|
LL | A => (),
| ^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 1 previous error

4
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-62307-match-ref-ref-forbidden-without-eq.rs
View File

@ -29,14 +29,14 @@ fn main() {
match RR_B0 {
RR_B1 => { println!("CLAIM RR0: {:?} matches {:?}", RR_B1, RR_B0); }
//~^ WARN must be annotated with `#[derive(PartialEq, Eq)]`
//~^ WARN must be annotated with `#[derive(PartialEq)]`
//~| WARN this was previously accepted
_ => { }
}
match RR_B1 {
RR_B1 => { println!("CLAIM RR1: {:?} matches {:?}", RR_B1, RR_B1); }
//~^ WARN must be annotated with `#[derive(PartialEq, Eq)]`
//~^ WARN must be annotated with `#[derive(PartialEq)]`
//~| WARN this was previously accepted
_ => { }
}

8
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-62307-match-ref-ref-forbidden-without-eq.stderr
View File

@ -1,4 +1,4 @@
warning: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq, Eq)]`
warning: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq)]`
--> $DIR/issue-62307-match-ref-ref-forbidden-without-eq.rs:31:9
|
LL | RR_B1 => { println!("CLAIM RR0: {:?} matches {:?}", RR_B1, RR_B0); }
@ -7,14 +7,14 @@ LL | RR_B1 => { println!("CLAIM RR0: {:?} matches {:?}", RR_B1, RR_B0);
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
note: the lint level is defined here
--> $DIR/issue-62307-match-ref-ref-forbidden-without-eq.rs:13:9
|
LL | #![warn(indirect_structural_match, nontrivial_structural_match)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^
warning: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq, Eq)]`
warning: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq)]`
--> $DIR/issue-62307-match-ref-ref-forbidden-without-eq.rs:38:9
|
LL | RR_B1 => { println!("CLAIM RR1: {:?} matches {:?}", RR_B1, RR_B1); }
@ -23,7 +23,7 @@ LL | RR_B1 => { println!("CLAIM RR1: {:?} matches {:?}", RR_B1, RR_B1);
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
warning: 2 warnings emitted

23
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/match-forbidden-without-eq.rs
View File

@ -1,23 +0,0 @@
#[derive(PartialEq)]
struct Foo {
x: u32
}
const FOO: Foo = Foo { x: 0 };
fn main() {
let y = Foo { x: 1 };
match y {
FOO => { }
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
_ => { }
}
let x = 0.0;
match x {
f32::INFINITY => { }
//~^ WARNING floating-point types cannot be used in patterns
//~| WARNING this was previously accepted by the compiler but is being phased out
_ => { }
}
}

21
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/match-forbidden-without-eq.stderr
View File

@ -1,21 +0,0 @@
error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/match-forbidden-without-eq.rs:11:9
|
LL | FOO => { }
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
warning: floating-point types cannot be used in patterns
--> $DIR/match-forbidden-without-eq.rs:18:9
|
LL | f32::INFINITY => { }
| ^^^^^^^^^^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
= note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
error: aborting due to 1 previous error; 1 warning emitted

19
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/match-nonempty-array-forbidden-without-eq.rs
View File

@ -1,19 +0,0 @@
// Issue 62307 pointed out a case where the structural-match checking
// was too shallow.
//
// Here we check similar behavior for non-empty arrays of types that
// do not derive `Eq`.
//
// (Current behavior for empty arrays differs and thus is not tested
// here; see rust-lang/rust#62336.)
#[derive(PartialEq, Debug)]
struct B(i32);
fn main() {
const FOO: [B; 1] = [B(0)];
match [B(1)] {
FOO => { }
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
}
}

11
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/match-nonempty-array-forbidden-without-eq.stderr
View File

@ -1,11 +0,0 @@
error: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/match-nonempty-array-forbidden-without-eq.rs:16:9
|
LL | FOO => { }
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
error: aborting due to 1 previous error

2
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/match-requires-both-partialeq-and-eq.rs
View File

@ -15,7 +15,7 @@ fn main() {
let y = Foo { x: 1 };
match y {
FOO => { }
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
//~^ ERROR must be annotated with `#[derive(PartialEq)]`
_ => { }
}
}

4
tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/match-requires-both-partialeq-and-eq.stderr
View File

@ -1,11 +1,11 @@
error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq)]`
--> $DIR/match-requires-both-partialeq-and-eq.rs:17:9
|
LL | FOO => { }
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 1 previous error

3
tests/ui/rfcs/rfc-2632-const-trait-impl/effects/minicore.rs
View File

@ -507,9 +507,6 @@ trait Clone: Sized {
#[lang = "structural_peq"]
trait StructuralPartialEq {}
#[lang = "structural_teq"]
trait StructuralEq {}
const fn drop<T: ~const Destruct>(_: T) {}
extern "rust-intrinsic" {

2
tests/ui/symbol-names/const-generics-structural-demangling.stderr
View File

@ -124,7 +124,7 @@ error: demangling-alt(<c::Foo_<{c::Foo { s: "abc", ch: 'x', slice: &[1, 2, 3] }}
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: symbol-name(_RMsf_CsCRATE_HASH_1cINtB<REF>_4Bar_KVNtB<REF>_3BarS1xh7b_s_1xt1000_EE)
error: symbol-name(_RMsd_CsCRATE_HASH_1cINtB<REF>_4Bar_KVNtB<REF>_3BarS1xh7b_s_1xt1000_EE)
--> $DIR/const-generics-structural-demangling.rs:93:5
|
LL | #[rustc_symbol_name]