mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 15:01:51 +00:00
6c31f6ce12
``` error: `S2<'_>` is forbidden as the type of a const generic parameter --> $DIR/lifetime-in-const-param.rs:5:23 | LL | struct S<'a, const N: S2>(&'a ()); | ^^ | = 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 | LL + #![feature(adt_const_params)] | ``` Fix #55941.
68 lines
2.4 KiB
Plaintext
68 lines
2.4 KiB
Plaintext
error[E0106]: missing lifetime specifier
|
|
--> $DIR/unusual-rib-combinations.rs:24:15
|
|
|
|
|
LL | fn d<const C: S>() {}
|
|
| ^ expected named lifetime parameter
|
|
|
|
error[E0770]: the type of const parameters must not depend on other generic parameters
|
|
--> $DIR/unusual-rib-combinations.rs:29:22
|
|
|
|
|
LL | struct Bar<const N: &'a (dyn for<'a> Foo<'a>)>;
|
|
| ^^ the type must not depend on the parameter `'a`
|
|
|
|
|
= note: lifetime parameters may not be used in the type of const parameters
|
|
|
|
error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
|
|
--> $DIR/unusual-rib-combinations.rs:7:16
|
|
|
|
|
LL | fn a() -> [u8; foo::()] {
|
|
| ^^^^^^^ only `Fn` traits may use parentheses
|
|
|
|
error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
|
|
--> $DIR/unusual-rib-combinations.rs:14:15
|
|
|
|
|
LL | fn b<const C: u8()>() {}
|
|
| ^^^^ only `Fn` traits may use parentheses
|
|
|
|
error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
|
|
--> $DIR/unusual-rib-combinations.rs:18:10
|
|
|
|
|
LL | fn c<T = u8()>() {}
|
|
| ^^^^ only `Fn` traits may use parentheses
|
|
|
|
error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions
|
|
--> $DIR/unusual-rib-combinations.rs:18:6
|
|
|
|
|
LL | fn c<T = u8()>() {}
|
|
| ^^^^^^^^
|
|
|
|
|
= 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 #36887 <https://github.com/rust-lang/rust/issues/36887>
|
|
= note: `#[deny(invalid_type_param_default)]` on by default
|
|
|
|
error[E0308]: mismatched types
|
|
--> $DIR/unusual-rib-combinations.rs:7:16
|
|
|
|
|
LL | fn a() -> [u8; foo::()] {
|
|
| ^^^^^^^ expected `usize`, found fn item
|
|
|
|
|
= note: expected type `usize`
|
|
found fn item `fn() {foo}`
|
|
|
|
error: `S<'_>` is forbidden as the type of a const generic parameter
|
|
--> $DIR/unusual-rib-combinations.rs:24:15
|
|
|
|
|
LL | fn d<const C: S>() {}
|
|
| ^
|
|
|
|
|
= 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
|
|
|
|
|
LL + #![feature(adt_const_params)]
|
|
|
|
|
|
|
error: aborting due to 8 previous errors
|
|
|
|
Some errors have detailed explanations: E0106, E0214, E0308, E0770.
|
|
For more information about an error, try `rustc --explain E0106`.
|