mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
27 lines
447 B
Rust
27 lines
447 B
Rust
// compile-flags: -Z trait-solver=chalk
|
|
|
|
trait Foo: Sized { }
|
|
|
|
trait Bar {
|
|
type Item: Foo;
|
|
}
|
|
|
|
impl Foo for i32 { }
|
|
|
|
impl Foo for str { }
|
|
//~^ ERROR the size for values of type `str` cannot be known at compilation time
|
|
|
|
|
|
// Implicit `T: Sized` bound.
|
|
impl<T> Foo for Option<T> { }
|
|
|
|
trait Baz<U: ?Sized> where U: Foo { }
|
|
|
|
impl Baz<i32> for i32 { }
|
|
|
|
impl Baz<f32> for f32 { }
|
|
//~^ ERROR the trait bound `f32: Foo` is not satisfied
|
|
|
|
fn main() {
|
|
}
|