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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.
24 lines
984 B
Plaintext
24 lines
984 B
Plaintext
error[E0277]: the size for values of type `dyn for<'a> Fn(&'a isize) -> isize` cannot be known at compilation time
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--> $DIR/issue-18919.rs:3:15
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LL | fn ho_func(f: Option<FuncType>) {
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| ^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `dyn for<'a> Fn(&'a isize) -> isize`
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note: required by an implicit `Sized` bound in `Option`
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--> $DIR/issue-18919.rs:7:13
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LL | enum Option<T> {
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| ^ required by the implicit `Sized` requirement on this bound in `Option`
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help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
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--> $DIR/issue-18919.rs:7:13
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LL | enum Option<T> {
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| ^ this could be changed to `T: ?Sized`...
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LL | Some(T),
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| - ...if indirection were used here: `Box<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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