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Add test for #56607

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This commit is contained in:
Esteban Küber 2023-06-30 03:06:15 +00:00
parent cdddcd3bea
commit 3d86b8acda
2 changed files with 44 additions and 0 deletions
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5
tests/ui/sized/unsized-binding.rs Normal file
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fn main() {
let x = *""; //~ ERROR E0277
println!("{}", x); //~ ERROR E0277
println!("{}", x); //~ ERROR E0277
}

39
tests/ui/sized/unsized-binding.stderr Normal file
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error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/unsized-binding.rs:2:9
|
LL | let x = *"";
| ^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= note: all local variables must have a statically known size
= help: unsized locals are gated as an unstable feature
error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/unsized-binding.rs:3:20
|
LL | println!("{}", x);
| -- ^ doesn't have a size known at compile-time
| |
| required by a bound introduced by this call
|
= help: the trait `Sized` is not implemented for `str`
note: required by a bound in `core::fmt::rt::Argument::<'a>::new_display`
--> $SRC_DIR/core/src/fmt/rt.rs:LL:COL
= note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/unsized-binding.rs:4:20
|
LL | println!("{}", x);
| -- ^ doesn't have a size known at compile-time
| |
| required by a bound introduced by this call
|
= help: the trait `Sized` is not implemented for `str`
note: required by a bound in `core::fmt::rt::Argument::<'a>::new_display`
--> $SRC_DIR/core/src/fmt/rt.rs:LL:COL
= note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0277`.