rust/tests/ui/impl-trait/multiple-defining-usages-in-body.rs

13 lines
327 B
Rust

trait Trait {}
impl Trait for () {}
fn foo<T: Trait, U: Trait>() -> impl Trait {
//~^ WARN function cannot return without recursing [unconditional_recursion]
let a: T = foo::<T, U>();
loop {}
let _: T = foo::<U, T>();
//~^ ERROR concrete type differs from previous defining opaque type use
}
fn main() {}