rust/tests/ui/coroutine/sized-yield.stderr
Esteban Küber c4c22b0d52 On E0277 be clearer about implicit Sized bounds on type params and assoc types
```
error[E0277]: the size for values of type `[i32]` cannot be known at compilation time
   --> f100.rs:2:33
    |
2   |     let _ = std::mem::size_of::<[i32]>();
    |                                 ^^^^^ doesn't have a size known at compile-time
    |
    = help: the trait `Sized` is not implemented for `[i32]`
note: required by an implicit `Sized` bound in `std::mem::size_of`
   --> /home/gh-estebank/rust/library/core/src/mem/mod.rs:312:22
    |
312 | pub const fn size_of<T>() -> usize {
    |                      ^ required by the implicit `Sized` requirement on this bound in `size_of`
```

Fix #120178.
2024-02-01 03:30:26 +00:00

27 lines
949 B
Plaintext

error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/sized-yield.rs:8:19
|
LL | let mut gen = move || {
| ___________________^
LL | |
LL | | yield s[..];
LL | | };
| |_____^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= note: the yield type of a coroutine must have a statically known size
error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/sized-yield.rs:12:24
|
LL | Pin::new(&mut gen).resume(());
| ^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
note: required by an implicit `Sized` bound in `CoroutineState`
--> $SRC_DIR/core/src/ops/coroutine.rs:LL:COL
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.