rust/tests/ui/consts/fn_trait_refs.stderr
Esteban Küber 6c31f6ce12 Provide structured suggestion for #![feature(foo)]
```
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.
2024-03-18 16:08:58 +00:00

188 lines
6 KiB
Text

error[E0635]: unknown feature `const_fn_trait_ref_impls`
--> $DIR/fn_trait_refs.rs:3:12
|
LL | #![feature(const_fn_trait_ref_impls)]
| ^^^^^^^^^^^^^^^^^^^^^^^^
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/fn_trait_refs.rs:15:15
|
LL | T: ~const Fn<()> + ~const Destruct,
| ^^^^^^
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/fn_trait_refs.rs:15:15
|
LL | T: ~const Fn<()> + ~const Destruct,
| ^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/fn_trait_refs.rs:22:15
|
LL | T: ~const FnMut<()> + ~const Destruct,
| ^^^^^^^^^
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/fn_trait_refs.rs:22:15
|
LL | T: ~const FnMut<()> + ~const Destruct,
| ^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/fn_trait_refs.rs:29:15
|
LL | T: ~const FnOnce<()>,
| ^^^^^^^^^^
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/fn_trait_refs.rs:29:15
|
LL | T: ~const FnOnce<()>,
| ^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/fn_trait_refs.rs:36:15
|
LL | T: ~const Fn<()> + ~const Destruct,
| ^^^^^^
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/fn_trait_refs.rs:36:15
|
LL | T: ~const Fn<()> + ~const Destruct,
| ^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/fn_trait_refs.rs:50:15
|
LL | T: ~const FnMut<()> + ~const Destruct,
| ^^^^^^^^^
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/fn_trait_refs.rs:50:15
|
LL | T: ~const FnMut<()> + ~const Destruct,
| ^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0015]: cannot call non-const operator in constants
--> $DIR/fn_trait_refs.rs:72:17
|
LL | assert!(test_one == (1, 1, 1));
| ^^^^^^^^^^^^^^^^^^^^^
|
= note: calls in constants are limited to constant functions, tuple structs and tuple variants
help: add `#![feature(effects)]` to the crate attributes to enable
|
LL + #![feature(effects)]
|
error[E0015]: cannot call non-const operator in constants
--> $DIR/fn_trait_refs.rs:75:17
|
LL | assert!(test_two == (2, 2));
| ^^^^^^^^^^^^^^^^^^
|
= note: calls in constants are limited to constant functions, tuple structs and tuple variants
help: add `#![feature(effects)]` to the crate attributes to enable
|
LL + #![feature(effects)]
|
error[E0015]: cannot call non-const closure in constant functions
--> $DIR/fn_trait_refs.rs:17:5
|
LL | f()
| ^^^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
help: consider further restricting this bound
|
LL | T: ~const Fn<()> + ~const Destruct + ~const std::ops::Fn<()>,
| +++++++++++++++++++++++++
help: add `#![feature(effects)]` to the crate attributes to enable
|
LL + #![feature(effects)]
|
error[E0493]: destructor of `T` cannot be evaluated at compile-time
--> $DIR/fn_trait_refs.rs:13:23
|
LL | const fn tester_fn<T>(f: T) -> T::Output
| ^ the destructor for this type cannot be evaluated in constant functions
...
LL | }
| - value is dropped here
error[E0015]: cannot call non-const closure in constant functions
--> $DIR/fn_trait_refs.rs:24:5
|
LL | f()
| ^^^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
help: consider further restricting this bound
|
LL | T: ~const FnMut<()> + ~const Destruct + ~const std::ops::FnMut<()>,
| ++++++++++++++++++++++++++++
help: add `#![feature(effects)]` to the crate attributes to enable
|
LL + #![feature(effects)]
|
error[E0493]: destructor of `T` cannot be evaluated at compile-time
--> $DIR/fn_trait_refs.rs:20:27
|
LL | const fn tester_fn_mut<T>(mut f: T) -> T::Output
| ^^^^^ the destructor for this type cannot be evaluated in constant functions
...
LL | }
| - value is dropped here
error[E0015]: cannot call non-const closure in constant functions
--> $DIR/fn_trait_refs.rs:31:5
|
LL | f()
| ^^^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
help: consider further restricting this bound
|
LL | T: ~const FnOnce<()> + ~const std::ops::FnOnce<()>,
| +++++++++++++++++++++++++++++
help: add `#![feature(effects)]` to the crate attributes to enable
|
LL + #![feature(effects)]
|
error[E0493]: destructor of `T` cannot be evaluated at compile-time
--> $DIR/fn_trait_refs.rs:34:21
|
LL | const fn test_fn<T>(mut f: T) -> (T::Output, T::Output, T::Output)
| ^^^^^ the destructor for this type cannot be evaluated in constant functions
...
LL | }
| - value is dropped here
error[E0493]: destructor of `T` cannot be evaluated at compile-time
--> $DIR/fn_trait_refs.rs:48:25
|
LL | const fn test_fn_mut<T>(mut f: T) -> (T::Output, T::Output)
| ^^^^^ the destructor for this type cannot be evaluated in constant functions
...
LL | }
| - value is dropped here
error: aborting due to 20 previous errors
Some errors have detailed explanations: E0015, E0493, E0635.
For more information about an error, try `rustc --explain E0015`.