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c4c22b0d52
```
error[E0277]: the size for values of type `[i32]` cannot be known at compilation time
--> f100.rs:2:33
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2 | let _ = std::mem::size_of::<[i32]>();
| ^^^^^ doesn't have a size known at compile-time
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= 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
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312 | pub const fn size_of<T>() -> usize {
| ^ required by the implicit `Sized` requirement on this bound in `size_of`
```
Fix #120178.
23 lines
746 B
Plaintext
23 lines
746 B
Plaintext
error[E0277]: the size for values of type `T` cannot be known at compilation time
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--> $DIR/unsized-bare-typaram.rs:2:29
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LL | fn foo<T: ?Sized>() { bar::<T>() }
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| - ^ doesn't have a size known at compile-time
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| this type parameter needs to be `Sized`
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note: required by a bound in `bar`
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--> $DIR/unsized-bare-typaram.rs:1:11
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LL | fn bar<T: Sized>() { }
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| ^^^^^ required by this bound in `bar`
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help: consider removing the `?Sized` bound to make the type parameter `Sized`
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LL - fn foo<T: ?Sized>() { bar::<T>() }
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LL + fn foo<T>() { bar::<T>() }
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0277`.
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