Added a lot of min_const_generics revisions

This commit is contained in:
Amjad Alsharafi 2020-08-26 18:22:55 +08:00
parent bf4342114e
commit d39cc45cf2
73 changed files with 575 additions and 236 deletions

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@ -1,11 +1,11 @@
error: lifetime parameters must be declared prior to const parameters
--> $DIR/argument_order.rs:9:32
--> $DIR/argument_order.rs:12:32
|
LL | struct AlsoBad<const N: usize, 'a, T, 'b, const M: usize, U> {
| -----------------^^-----^^-------------------- help: reorder the parameters: lifetimes, then consts and types: `<'a, 'b, const N: usize, T, const M: usize, U>`
error[E0747]: lifetime provided when a type was expected
--> $DIR/argument_order.rs:16:23
--> $DIR/argument_order.rs:21:23
|
LL | let _: AlsoBad<7, 'static, u32, 'static, 17, u16>;
| ^^^^^^^

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@ -0,0 +1,30 @@
error: type parameters must be declared prior to const parameters
--> $DIR/argument_order.rs:6:28
|
LL | struct Bad<const N: usize, T> {
| -----------------^- help: reorder the parameters: lifetimes, then types, then consts: `<T, const N: usize>`
error: lifetime parameters must be declared prior to const parameters
--> $DIR/argument_order.rs:12:32
|
LL | struct AlsoBad<const N: usize, 'a, T, 'b, const M: usize, U> {
| -----------------^^-----^^-------------------- help: reorder the parameters: lifetimes, then types, then consts: `<'a, 'b, T, U, const N: usize, const M: usize>`
error: type parameters must be declared prior to const parameters
--> $DIR/argument_order.rs:12:36
|
LL | struct AlsoBad<const N: usize, 'a, T, 'b, const M: usize, U> {
| ---------------------^----------------------^- help: reorder the parameters: lifetimes, then types, then consts: `<'a, 'b, T, U, const N: usize, const M: usize>`
error[E0747]: lifetime provided when a type was expected
--> $DIR/argument_order.rs:21:23
|
LL | let _: AlsoBad<7, 'static, u32, 'static, 17, u16>;
| ^^^^^^^
|
= note: lifetime arguments must be provided before type arguments
= help: reorder the arguments: lifetimes, then types, then consts: `<'a, 'b, T, U, N, M>`
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0747`.

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@ -1,18 +1,24 @@
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct Bad<const N: usize, T> {
//[min]~^ ERROR type parameters must be declared prior to const parameters
arr: [u8; { N }],
another: T,
}
struct AlsoBad<const N: usize, 'a, T, 'b, const M: usize, U> {
//~^ ERROR lifetime parameters must be declared prior
//[full]~^ ERROR lifetime parameters must be declared prior
//[min]~^^ ERROR lifetime parameters must be declared prior to const parameters
//[min]~^^^ ERROR type parameters must be declared prior to const parameters
a: &'a T,
b: &'b U,
}
fn main() {
let _: AlsoBad<7, 'static, u32, 'static, 17, u16>;
//~^ ERROR lifetime provided when a type was expected
//[full]~^ ERROR lifetime provided when a type was expected
//[min]~^^ ERROR lifetime provided when a type was expected
}

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@ -1,7 +1,8 @@
// run-pass
#![feature(const_generics)]
//~^ WARN the feature `const_generics` is incomplete
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
#![allow(dead_code)]

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@ -1,11 +0,0 @@
warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/array-wrapper-struct-ctor.rs:3:12
|
LL | #![feature(const_generics)]
| ^^^^^^^^^^^^^^
|
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
warning: 1 warning emitted

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@ -1,6 +1,8 @@
// check-pass
#![feature(const_generics)]
//~^ WARN the feature `const_generics` is incomplete
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
// This test confirms that the types can be inferred correctly for this example with const
// generics. Previously this would ICE, and more recently error.

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@ -1,11 +0,0 @@
warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/cannot-infer-type-for-const-param.rs:2:12
|
LL | #![feature(const_generics)]
| ^^^^^^^^^^^^^^
|
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
warning: 1 warning emitted

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@ -1,5 +1,5 @@
error[E0747]: constant provided when a type was expected
--> $DIR/const-arg-type-arg-misordered.rs:6:35
--> $DIR/const-arg-type-arg-misordered.rs:8:35
|
LL | fn foo<const N: usize>() -> Array<N, ()> {
| ^

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@ -0,0 +1,12 @@
error[E0747]: constant provided when a type was expected
--> $DIR/const-arg-type-arg-misordered.rs:8:35
|
LL | fn foo<const N: usize>() -> Array<N, ()> {
| ^
|
= note: type arguments must be provided before constant arguments
= help: reorder the arguments: types, then consts: `<T, N>`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0747`.

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@ -1,9 +1,13 @@
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
type Array<T, const N: usize> = [T; N];
fn foo<const N: usize>() -> Array<N, ()> { //~ ERROR constant provided when a type was expected
fn foo<const N: usize>() -> Array<N, ()> {
//[full]~^ ERROR constant provided when a type was expected
//[min]~^^ ERROR constant provided when a type was expected
unimplemented!()
}

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@ -1,5 +1,5 @@
error: lifetime parameters must be declared prior to const parameters
--> $DIR/const-param-before-other-params.rs:4:21
--> $DIR/const-param-before-other-params.rs:6:21
|
LL | fn bar<const X: (), 'a>(_: &'a ()) {
| --------------^^- help: reorder the parameters: lifetimes, then consts and types: `<'a, const X: ()>`

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@ -0,0 +1,32 @@
error: lifetime parameters must be declared prior to const parameters
--> $DIR/const-param-before-other-params.rs:6:21
|
LL | fn bar<const X: (), 'a>(_: &'a ()) {
| --------------^^- help: reorder the parameters: lifetimes, then types, then consts: `<'a, const X: ()>`
error: type parameters must be declared prior to const parameters
--> $DIR/const-param-before-other-params.rs:12:21
|
LL | fn foo<const X: (), T>(_: &T) {}
| --------------^- help: reorder the parameters: lifetimes, then types, then consts: `<T, const X: ()>`
error: `()` is forbidden as the type of a const generic parameter
--> $DIR/const-param-before-other-params.rs:6:17
|
LL | fn bar<const X: (), 'a>(_: &'a ()) {
| ^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: `()` is forbidden as the type of a const generic parameter
--> $DIR/const-param-before-other-params.rs:12:17
|
LL | fn foo<const X: (), T>(_: &T) {}
| ^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: aborting due to 4 previous errors

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@ -1,10 +1,16 @@
#![allow(incomplete_features)]
#![feature(const_generics)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
fn bar<const X: (), 'a>(_: &'a ()) {
//~^ ERROR lifetime parameters must be declared prior to const parameters
//[full]~^ ERROR lifetime parameters must be declared prior to const parameters
//[min]~^^ ERROR lifetime parameters must be declared prior to const parameters
//[min]~^^^ ERROR `()` is forbidden as the type of a const generic parameter
}
fn foo<const X: (), T>(_: &T) {}
//[min]~^ ERROR type parameters must be declared prior to const parameters
//[min]~^^ ERROR `()` is forbidden as the type of a const generic parameter
fn main() {}

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@ -1,23 +1,23 @@
error[E0770]: the type of const parameters must not depend on other generic parameters
--> $DIR/issue-71381.rs:13:82
--> $DIR/issue-71381.rs:15:82
|
LL | pub fn call_me<Args: Sized, const IDX: usize, const FN: unsafe extern "C" fn(Args)>(&self) {
| ^^^^ the type must not depend on the parameter `Args`
error[E0770]: the type of const parameters must not depend on other generic parameters
--> $DIR/issue-71381.rs:22:40
--> $DIR/issue-71381.rs:26:40
|
LL | const FN: unsafe extern "C" fn(Args),
| ^^^^ the type must not depend on the parameter `Args`
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-71381.rs:13:61
--> $DIR/issue-71381.rs:15:61
|
LL | pub fn call_me<Args: Sized, const IDX: usize, const FN: unsafe extern "C" fn(Args)>(&self) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-71381.rs:22:19
--> $DIR/issue-71381.rs:26:19
|
LL | const FN: unsafe extern "C" fn(Args),
| ^^^^^^^^^^^^^^^^^^^^^^^^^^

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@ -0,0 +1,27 @@
error[E0770]: the type of const parameters must not depend on other generic parameters
--> $DIR/issue-71381.rs:15:82
|
LL | pub fn call_me<Args: Sized, const IDX: usize, const FN: unsafe extern "C" fn(Args)>(&self) {
| ^^^^ the type must not depend on the parameter `Args`
error[E0770]: the type of const parameters must not depend on other generic parameters
--> $DIR/issue-71381.rs:26:40
|
LL | const FN: unsafe extern "C" fn(Args),
| ^^^^ the type must not depend on the parameter `Args`
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-71381.rs:15:61
|
LL | pub fn call_me<Args: Sized, const IDX: usize, const FN: unsafe extern "C" fn(Args)>(&self) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-71381.rs:26:19
|
LL | const FN: unsafe extern "C" fn(Args),
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0770`.

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@ -1,5 +1,7 @@
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct Test(*const usize);
@ -11,8 +13,10 @@ unsafe extern "C" fn pass(args: PassArg) {
impl Test {
pub fn call_me<Args: Sized, const IDX: usize, const FN: unsafe extern "C" fn(Args)>(&self) {
//~^ ERROR: using function pointers as const generic parameters is forbidden
//~| ERROR: the type of const parameters must not depend on other generic parameters
//[full]~^ ERROR: using function pointers as const generic parameters is forbidden
//[full]~| ERROR: the type of const parameters must not depend on other generic parameters
//[min]~^^^ ERROR: using function pointers as const generic parameters is forbidden
//[min]~| ERROR: the type of const parameters must not depend on other generic parameters
self.0 = Self::trampiline::<Args, IDX, FN> as _
}
@ -20,8 +24,10 @@ impl Test {
Args: Sized,
const IDX: usize,
const FN: unsafe extern "C" fn(Args),
//~^ ERROR: using function pointers as const generic parameters is forbidden
//~| ERROR: the type of const parameters must not depend on other generic parameters
//[full]~^ ERROR: using function pointers as const generic parameters is forbidden
//[full]~| ERROR: the type of const parameters must not depend on other generic parameters
//[min]~^^^ ERROR: using function pointers as const generic parameters is forbidden
//[min]~| ERROR: the type of const parameters must not depend on other generic parameters
>(
args: Args,
) {

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@ -1,5 +1,5 @@
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-71382.rs:15:23
--> $DIR/issue-71382.rs:17:23
|
LL | fn test<const FN: fn()>(&self) {
| ^^^^

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@ -0,0 +1,8 @@
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-71382.rs:17:23
|
LL | fn test<const FN: fn()>(&self) {
| ^^^^
error: aborting due to previous error

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@ -1,5 +1,7 @@
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct Test();
@ -13,7 +15,8 @@ impl Test {
}
fn test<const FN: fn()>(&self) {
//~^ ERROR: using function pointers as const generic parameters is forbidden
//[full]~^ ERROR: using function pointers as const generic parameters is forbidden
//[min]~^^ ERROR: using function pointers as const generic parameters is forbidden
FN();
}
}

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@ -1,11 +1,11 @@
error[E0770]: the type of const parameters must not depend on other generic parameters
--> $DIR/issue-71611.rs:4:31
--> $DIR/issue-71611.rs:6:31
|
LL | fn func<A, const F: fn(inner: A)>(outer: A) {
| ^ the type must not depend on the parameter `A`
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-71611.rs:4:21
--> $DIR/issue-71611.rs:6:21
|
LL | fn func<A, const F: fn(inner: A)>(outer: A) {
| ^^^^^^^^^^^^

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@ -0,0 +1,15 @@
error[E0770]: the type of const parameters must not depend on other generic parameters
--> $DIR/issue-71611.rs:6:31
|
LL | fn func<A, const F: fn(inner: A)>(outer: A) {
| ^ the type must not depend on the parameter `A`
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-71611.rs:6:21
|
LL | fn func<A, const F: fn(inner: A)>(outer: A) {
| ^^^^^^^^^^^^
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0770`.

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@ -1,9 +1,13 @@
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
fn func<A, const F: fn(inner: A)>(outer: A) {
//~^ ERROR: using function pointers as const generic parameters is forbidden
//~| ERROR: the type of const parameters must not depend on other generic parameters
//[full]~^ ERROR: using function pointers as const generic parameters is forbidden
//[full]~| ERROR: the type of const parameters must not depend on other generic parameters
//[min]~^^^ ERROR: using function pointers as const generic parameters is forbidden
//[min]~| ERROR: the type of const parameters must not depend on other generic parameters
F(outer);
}

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@ -1,5 +1,5 @@
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-72352.rs:6:42
--> $DIR/issue-72352.rs:8:42
|
LL | unsafe fn unsafely_do_the_thing<const F: fn(&CStr) -> usize>(ptr: *const i8) -> usize {
| ^^^^^^^^^^^^^^^^^^

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@ -0,0 +1,8 @@
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-72352.rs:8:42
|
LL | unsafe fn unsafely_do_the_thing<const F: fn(&CStr) -> usize>(ptr: *const i8) -> usize {
| ^^^^^^^^^^^^^^^^^^
error: aborting due to previous error

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@ -1,10 +1,13 @@
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
use std::ffi::{CStr, CString};
unsafe fn unsafely_do_the_thing<const F: fn(&CStr) -> usize>(ptr: *const i8) -> usize {
//~^ ERROR: using function pointers as const generic parameters is forbidden
//[full]~^ ERROR: using function pointers as const generic parameters is forbidden
//[min]~^^ ERROR: using function pointers as const generic parameters is forbidden
F(CStr::from_ptr(ptr))
}

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@ -0,0 +1,11 @@
error: `[u32; _]` is forbidden as the type of a const generic parameter
--> $DIR/issue-73491.rs:9:19
|
LL | fn hoge<const IN: [u32; LEN]>() {}
| ^^^^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: aborting due to previous error

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@ -1,9 +1,12 @@
// check-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// [full] check-pass
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
const LEN: usize = 1024;
fn hoge<const IN: [u32; LEN]>() {}
//[min]~^ ERROR `[u32; _]` is forbidden as the type of a const generic parameter
fn main() {}

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@ -0,0 +1,8 @@
error: using raw pointers as const generic parameters is forbidden
--> $DIR/issue-73508.rs:6:33
|
LL | pub const fn func_name<const X: *const u32>() {}
| ^^^^^^^^^^
error: aborting due to previous error

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@ -0,0 +1,8 @@
error: using raw pointers as const generic parameters is forbidden
--> $DIR/issue-73508.rs:6:33
|
LL | pub const fn func_name<const X: *const u32>() {}
| ^^^^^^^^^^
error: aborting due to previous error

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@ -1,6 +1,10 @@
#![feature(const_generics)] //~ WARN the feature `const_generics` is incomplete
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
pub const fn func_name<const X: *const u32>() {}
//~^ ERROR using raw pointers
//[full]~^ ERROR using raw pointers
//[min]~^^ ERROR using raw pointers as const generic parameters is forbidden
fn main() {}

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@ -1,17 +0,0 @@
warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/issue-73508.rs:1:12
|
LL | #![feature(const_generics)]
| ^^^^^^^^^^^^^^
|
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
error: using raw pointers as const generic parameters is forbidden
--> $DIR/issue-73508.rs:3:33
|
LL | pub const fn func_name<const X: *const u32>() {}
| ^^^^^^^^^^
error: aborting due to previous error; 1 warning emitted

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@ -0,0 +1,20 @@
error: `[u8; _]` is forbidden as the type of a const generic parameter
--> $DIR/issue-74101.rs:7:18
|
LL | fn test<const N: [u8; 1 + 2]>() {}
| ^^^^^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: `[u8; _]` is forbidden as the type of a const generic parameter
--> $DIR/issue-74101.rs:10:21
|
LL | struct Foo<const N: [u8; 1 + 2]>;
| ^^^^^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: aborting due to 2 previous errors

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@ -1,9 +1,13 @@
// check-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// [full] check-pass
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
fn test<const N: [u8; 1 + 2]>() {}
//[min]~^ ERROR `[u8; _]` is forbidden as the type of a const generic parameter
struct Foo<const N: [u8; 1 + 2]>;
//[min]~^ ERROR `[u8; _]` is forbidden as the type of a const generic parameter
fn main() {}

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@ -0,0 +1,11 @@
error: `IceEnum` is forbidden as the type of a const generic parameter
--> $DIR/issue-74255.rs:15:31
|
LL | fn ice_struct_fn<const I: IceEnum>() {}
| ^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: aborting due to previous error

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@ -1,6 +1,8 @@
// check-pass
#![feature(const_generics)]
#![allow(dead_code, incomplete_features)]
// [full] check-pass
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
#[derive(PartialEq, Eq)]
enum IceEnum {
@ -11,6 +13,7 @@ struct IceStruct;
impl IceStruct {
fn ice_struct_fn<const I: IceEnum>() {}
//[min]~^ ERROR `IceEnum` is forbidden as the type of a const generic parameter
}
fn main() {

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@ -0,0 +1,11 @@
error: `[u8; _]` is forbidden as the type of a const generic parameter
--> $DIR/issue-75047.rs:15:21
|
LL | struct Foo<const N: [u8; Bar::<u32>::value()]>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: aborting due to previous error

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@ -1,6 +1,8 @@
// check-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// [full] check-pass
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct Bar<T>(T);
@ -11,5 +13,6 @@ impl<T> Bar<T> {
}
struct Foo<const N: [u8; Bar::<u32>::value()]>;
//[min]~^ ERROR `[u8; _]` is forbidden as the type of a const generic parameter
fn main() {}

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@ -1,7 +1,8 @@
// check-pass
#![feature(const_generics)]
//~^ WARN the feature `const_generics` is incomplete
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
trait T<const A: usize> {
fn f();

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@ -1,11 +0,0 @@
warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/issue70273-assoc-fn.rs:3:12
|
LL | #![feature(const_generics)]
| ^^^^^^^^^^^^^^
|
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
warning: 1 warning emitted

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@ -0,0 +1,56 @@
error: `std::ops::Range<usize>` is forbidden as the type of a const generic parameter
--> $DIR/const-generics-range.rs:8:24
|
LL | struct _Range<const R: std::ops::Range<usize>>;
| ^^^^^^^^^^^^^^^^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: `std::ops::RangeFrom<usize>` is forbidden as the type of a const generic parameter
--> $DIR/const-generics-range.rs:13:28
|
LL | struct _RangeFrom<const R: std::ops::RangeFrom<usize>>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: `std::ops::RangeFull` is forbidden as the type of a const generic parameter
--> $DIR/const-generics-range.rs:18:28
|
LL | struct _RangeFull<const R: std::ops::RangeFull>;
| ^^^^^^^^^^^^^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: `std::ops::RangeInclusive<usize>` is forbidden as the type of a const generic parameter
--> $DIR/const-generics-range.rs:24:33
|
LL | struct _RangeInclusive<const R: std::ops::RangeInclusive<usize>>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: `std::ops::RangeTo<usize>` is forbidden as the type of a const generic parameter
--> $DIR/const-generics-range.rs:29:26
|
LL | struct _RangeTo<const R: std::ops::RangeTo<usize>>;
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: `std::ops::RangeToInclusive<usize>` is forbidden as the type of a const generic parameter
--> $DIR/const-generics-range.rs:34:35
|
LL | struct _RangeToInclusive<const R: std::ops::RangeToInclusive<usize>>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: aborting due to 6 previous errors

View File

@ -1,30 +1,38 @@
// check-pass
#![allow(incomplete_features)]
#![feature(const_generics)]
// [full] check-pass
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
// `Range` should be usable within const generics:
struct _Range<const R: std::ops::Range<usize>>;
//[min]~^ ERROR `std::ops::Range<usize>` is forbidden as the type of a const generic parameter
const RANGE : _Range<{ 0 .. 1000 }> = _Range;
// `RangeFrom` should be usable within const generics:
struct _RangeFrom<const R: std::ops::RangeFrom<usize>>;
//[min]~^ ERROR `std::ops::RangeFrom<usize>` is forbidden as the type of a const generic parameter
const RANGE_FROM : _RangeFrom<{ 0 .. }> = _RangeFrom;
// `RangeFull` should be usable within const generics:
struct _RangeFull<const R: std::ops::RangeFull>;
//[min]~^ ERROR `std::ops::RangeFull` is forbidden as the type of a const generic parameter
const RANGE_FULL : _RangeFull<{ .. }> = _RangeFull;
// Regression test for #70155
// `RangeInclusive` should be usable within const generics:
struct _RangeInclusive<const R: std::ops::RangeInclusive<usize>>;
//[min]~^ ERROR `std::ops::RangeInclusive<usize>` is forbidden as the type of a const generic parameter
const RANGE_INCLUSIVE : _RangeInclusive<{ 0 ..= 999 }> = _RangeInclusive;
// `RangeTo` should be usable within const generics:
struct _RangeTo<const R: std::ops::RangeTo<usize>>;
//[min]~^ ERROR `std::ops::RangeTo<usize>` is forbidden as the type of a const generic parameter
const RANGE_TO : _RangeTo<{ .. 1000 }> = _RangeTo;
// `RangeToInclusive` should be usable within const generics:
struct _RangeToInclusive<const R: std::ops::RangeToInclusive<usize>>;
//[min]~^ ERROR `std::ops::RangeToInclusive<usize>` is forbidden as the type of a const generic parameter
const RANGE_TO_INCLUSIVE : _RangeToInclusive<{ ..= 999 }> = _RangeToInclusive;
pub fn main() {}

View File

@ -0,0 +1,8 @@
error: type parameters must be declared prior to const parameters
--> $DIR/type-after-const-ok.rs:9:26
|
LL | struct A<const N: usize, T>(T);
| -----------------^- help: reorder the parameters: lifetimes, then types, then consts: `<T, const N: usize>`
error: aborting due to previous error

View File

@ -1,10 +1,12 @@
// run-pass
// [full] run-pass
// revisions: full min
// Verifies that having generic parameters after constants is permitted
#![feature(const_generics)]
#![allow(incomplete_features)]
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
#[allow(dead_code)]
struct A<const N: usize, T>(T);
//[min]~^ ERROR type parameters must be declared prior to const parameters
fn main() {}

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@ -1,6 +1,8 @@
// run-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
trait SliceExt<T: Clone> {
fn array_windows<'a, const N: usize>(&'a self) -> ArrayWindows<'a, T, N>;

View File

@ -1,6 +1,8 @@
// run-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
trait T {
fn test<const A: i32>(&self) -> i32 { A }

View File

@ -1,6 +1,8 @@
// check-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct X;

View File

@ -1,6 +1,8 @@
// check-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct A<const N: usize>;

View File

@ -1,6 +1,8 @@
// run-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
trait IterExt: Sized + Iterator {
fn default_for_size<const N: usize>(self) -> [Self::Item; N]

View File

@ -1,6 +1,9 @@
// check-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct Struct<const N: usize>;

View File

@ -1,6 +1,8 @@
// run-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
trait ConstChunksExactTrait<T> {
fn const_chunks_exact<const N: usize>(&self) -> ConstChunksExact<'_, T, {N}>;

View File

@ -1,6 +1,8 @@
// check-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
use std::marker::PhantomData;

View File

@ -0,0 +1,20 @@
error: `&'static str` is forbidden as the type of a const generic parameter
--> $DIR/issue-71348.rs:11:24
|
LL | trait Get<'a, const N: &'static str> {
| ^^^^^^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: `&'static str` is forbidden as the type of a const generic parameter
--> $DIR/issue-71348.rs:19:25
|
LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a <Self as Get<N>>::Target
| ^^^^^^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
= note: more complex types are supported with `#[feature(const_generics)]`
error: aborting due to 2 previous errors

View File

@ -1,12 +1,15 @@
// run-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// [full] run-pass
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct Foo {
i: i32,
}
trait Get<'a, const N: &'static str> {
//[min]~^ ERROR `&'static str` is forbidden as the type of a const generic parameter
type Target: 'a;
fn get(&'a self) -> &'a Self::Target;
@ -14,6 +17,7 @@ trait Get<'a, const N: &'static str> {
impl Foo {
fn ask<'a, const N: &'static str>(&'a self) -> &'a <Self as Get<N>>::Target
//[min]~^ ERROR `&'static str` is forbidden as the type of a const generic parameter
where
Self: Get<'a, N>,
{

View File

@ -0,0 +1,8 @@
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-71382.rs:17:23
|
LL | fn test<const FN: fn() -> u8>(&self) -> u8 {
| ^^^^^^^^^^
error: aborting due to previous error

View File

@ -0,0 +1,8 @@
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-71382.rs:17:23
|
LL | fn test<const FN: fn() -> u8>(&self) -> u8 {
| ^^^^^^^^^^
error: aborting due to previous error

View File

@ -1,5 +1,7 @@
#![feature(const_generics)]
//~^ WARN the feature `const_generics` is incomplete
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct Test;
@ -13,7 +15,8 @@ impl Test {
}
fn test<const FN: fn() -> u8>(&self) -> u8 {
//~^ ERROR using function pointers as const generic parameters is forbidden
//[full]~^ ERROR using function pointers as const generic parameters is forbidden
//[min]~^^ ERROR using function pointers as const generic parameters is forbidden
FN()
}
}

View File

@ -1,17 +0,0 @@
warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/issue-71382.rs:1:12
|
LL | #![feature(const_generics)]
| ^^^^^^^^^^^^^^
|
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
error: using function pointers as const generic parameters is forbidden
--> $DIR/issue-71382.rs:15:23
|
LL | fn test<const FN: fn() -> u8>(&self) -> u8 {
| ^^^^^^^^^^
error: aborting due to previous error; 1 warning emitted

View File

@ -1,6 +1,8 @@
// run-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
use std::mem::MaybeUninit;

View File

@ -1,6 +1,8 @@
// check-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
trait Foo<'a, A>: Iterator<Item=A> {
fn bar<const N: usize>(&mut self) -> *const [A; N];

View File

@ -1,7 +1,9 @@
// aux-build:type_dependent_lib.rs
// run-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
extern crate type_dependent_lib;

View File

@ -1,6 +1,8 @@
// run-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct A;
impl A {

View File

@ -1,6 +1,8 @@
// run-pass
#![feature(const_generics)]
#![allow(incomplete_features)]
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct R;

View File

@ -0,0 +1,14 @@
error[E0308]: mismatched types
--> $DIR/type-mismatch.rs:12:27
|
LL | assert_eq!(R.method::<1u16>(), 1);
| ^^^^ expected `u8`, found `u16`
|
help: change the type of the numeric literal from `u16` to `u8`
|
LL | assert_eq!(R.method::<1u8>(), 1);
| ^^^
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.

View File

@ -0,0 +1,14 @@
error[E0308]: mismatched types
--> $DIR/type-mismatch.rs:12:27
|
LL | assert_eq!(R.method::<1u16>(), 1);
| ^^^^ expected `u8`, found `u16`
|
help: change the type of the numeric literal from `u16` to `u8`
|
LL | assert_eq!(R.method::<1u8>(), 1);
| ^^^
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.

View File

@ -1,5 +1,7 @@
#![feature(const_generics)]
//~^ WARN the feature `const_generics` is incomplete
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct R;
@ -8,5 +10,6 @@ impl R {
}
fn main() {
assert_eq!(R.method::<1u16>(), 1);
//~^ ERROR mismatched types
//[full]~^ ERROR mismatched types
//[min]~^^ ERROR mismatched types
}

View File

@ -1,23 +0,0 @@
warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/type-mismatch.rs:1:12
|
LL | #![feature(const_generics)]
| ^^^^^^^^^^^^^^
|
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
error[E0308]: mismatched types
--> $DIR/type-mismatch.rs:10:27
|
LL | assert_eq!(R.method::<1u16>(), 1);
| ^^^^ expected `u8`, found `u16`
|
help: change the type of the numeric literal from `u16` to `u8`
|
LL | assert_eq!(R.method::<1u8>(), 1);
| ^^^
error: aborting due to previous error; 1 warning emitted
For more information about this error, try `rustc --explain E0308`.

View File

@ -1,14 +1,5 @@
warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/types-mismatch-const-args.rs:1:12
|
LL | #![feature(const_generics)]
| ^^^^^^^^^^^^^^
|
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
error[E0308]: mismatched types
--> $DIR/types-mismatch-const-args.rs:13:41
--> $DIR/types-mismatch-const-args.rs:15:41
|
LL | let _: A<'a, u32, {2u32}, {3u32}> = A::<'a, u32, {4u32}, {3u32}> { data: PhantomData };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `2_u32`, found `4_u32`
@ -17,7 +8,7 @@ LL | let _: A<'a, u32, {2u32}, {3u32}> = A::<'a, u32, {4u32}, {3u32}> { data
found type `4_u32`
error[E0308]: mismatched types
--> $DIR/types-mismatch-const-args.rs:15:41
--> $DIR/types-mismatch-const-args.rs:18:41
|
LL | let _: A<'a, u16, {2u32}, {3u32}> = A::<'b, u32, {2u32}, {3u32}> { data: PhantomData };
| -------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u16`, found `u32`
@ -27,6 +18,6 @@ LL | let _: A<'a, u16, {2u32}, {3u32}> = A::<'b, u32, {2u32}, {3u32}> { data
= note: expected struct `A<'a, u16, {2u32}, {3u32}>`
found struct `A<'b, u32, {2u32}, {3u32}>`
error: aborting due to 2 previous errors; 1 warning emitted
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0308`.

View File

@ -0,0 +1,25 @@
error[E0308]: mismatched types
--> $DIR/types-mismatch-const-args.rs:15:41
|
LL | let _: A<'a, u32, {2u32}, {3u32}> = A::<'a, u32, {4u32}, {3u32}> { data: PhantomData };
| -------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `2_u32`, found `4_u32`
| |
| expected due to this
|
= note: expected struct `A<'_, _, 2_u32, _>`
found struct `A<'_, _, 4_u32, _>`
error[E0308]: mismatched types
--> $DIR/types-mismatch-const-args.rs:18:41
|
LL | let _: A<'a, u16, {2u32}, {3u32}> = A::<'b, u32, {2u32}, {3u32}> { data: PhantomData };
| -------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u16`, found `u32`
| |
| expected due to this
|
= note: expected struct `A<'a, u16, _, _>`
found struct `A<'b, u32, _, _>`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0308`.

View File

@ -1,5 +1,7 @@
#![feature(const_generics)]
//~^ WARN the feature `const_generics` is incomplete
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
// tests the diagnostic output of type mismatches for types that have const generics arguments.
@ -11,9 +13,11 @@ struct A<'a, T, const X: u32, const Y: u32> {
fn a<'a, 'b>() {
let _: A<'a, u32, {2u32}, {3u32}> = A::<'a, u32, {4u32}, {3u32}> { data: PhantomData };
//~^ ERROR mismatched types
//[full]~^ ERROR mismatched types
//[min]~^^ ERROR mismatched types
let _: A<'a, u16, {2u32}, {3u32}> = A::<'b, u32, {2u32}, {3u32}> { data: PhantomData };
//~^ ERROR mismatched types
//[full]~^ ERROR mismatched types
//[min]~^^ ERROR mismatched types
}
pub fn main() {}

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@ -1,7 +1,8 @@
// run-pass
#![feature(const_generics)]
//~^ WARN the feature `const_generics` is incomplete
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
use std::fmt;

View File

@ -1,11 +0,0 @@
warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/uninferred-consts-during-codegen-1.rs:3:12
|
LL | #![feature(const_generics)]
| ^^^^^^^^^^^^^^
|
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
warning: 1 warning emitted

View File

@ -1,7 +1,8 @@
// run-pass
#![feature(const_generics)]
//~^ WARN the feature `const_generics` is incomplete
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
use std::fmt;

View File

@ -1,11 +0,0 @@
warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/uninferred-consts-during-codegen-2.rs:3:12
|
LL | #![feature(const_generics)]
| ^^^^^^^^^^^^^^
|
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
warning: 1 warning emitted