rust/tests/ui/impl-trait/in-trait/wf-bounds.rs
2023-03-23 23:37:22 +00:00

24 lines
640 B
Rust

// issue #101663
// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty
// revisions: current next
#![feature(return_position_impl_trait_in_trait)]
#![allow(incomplete_features)]
trait Wf<T> {
type Output;
}
trait Uwu {
fn nya() -> impl Wf<Vec<[u8]>>;
//~^ ERROR the size for values of type `[u8]` cannot be known at compilation time
fn nya2() -> impl Wf<[u8]>;
//~^ ERROR the size for values of type `[u8]` cannot be known at compilation time
fn nya3() -> impl Wf<(), Output = impl Wf<Vec<[u8]>>>;
//~^ ERROR the size for values of type `[u8]` cannot be known at compilation time
}
fn main() {}