rust/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-pass.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

33 lines
1.1 KiB
Plaintext

error[E0015]: cannot call non-const operator in constants
--> $DIR/call-const-trait-method-pass.rs:39:22
|
LL | const ADD_INT: Int = Int(1i32) + Int(2i32);
| ^^^^^^^^^^^^^^^^^^^^^
|
note: impl defined here, but it is not `const`
--> $DIR/call-const-trait-method-pass.rs:7:1
|
LL | impl const std::ops::Add for Int {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= 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 fn `<i32 as Plus>::plus` in constant functions
--> $DIR/call-const-trait-method-pass.rs:36:7
|
LL | a.plus(b)
| ^^^^^^^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
help: add `#![feature(effects)]` to the crate attributes to enable
|
LL + #![feature(effects)]
|
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0015`.