rust/tests/ui/impl-trait/in-trait/generics-mismatch.rs

21 lines
401 B
Rust

// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty
// revisions: current next
#![feature(return_position_impl_trait_in_trait)]
#![allow(incomplete_features)]
struct U;
trait Foo {
fn bar(&self) -> impl Sized;
}
impl Foo for U {
fn bar<T>(&self) {}
//~^ ERROR method `bar` has 1 type parameter but its trait declaration has 0 type parameters
}
fn main() {
U.bar();
}