rust/src/test/ui/issues/issue-42312.stderr
2018-08-19 08:07:33 +09:00

26 lines
1.5 KiB
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error[E0277]: the size for values of type `<Self as std::ops::Deref>::Target` cannot be known at compilation time
--> $DIR/issue-42312.rs:14:29
|
LL | fn baz(_: Self::Target) where Self: Deref {}
| ^ doesn't have a size known at compile-time
|
= help: the trait `std::marker::Sized` is not implemented for `<Self as std::ops::Deref>::Target`
= note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
= help: consider adding a `where <Self as std::ops::Deref>::Target: std::marker::Sized` bound
= note: all function arguments must have a statically known size
= help: unsized locals are gated as an unstable feature
error[E0277]: the size for values of type `(dyn std::string::ToString + 'static)` cannot be known at compilation time
--> $DIR/issue-42312.rs:18:23
|
LL | pub fn f(_: ToString) {}
| ^ doesn't have a size known at compile-time
|
= help: the trait `std::marker::Sized` is not implemented for `(dyn std::string::ToString + 'static)`
= note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
= note: all function arguments must have a statically known size
= help: unsized locals are gated as an unstable feature
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.