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|
pub trait Foo {
type T;
}
impl Foo for i32 {
type T = f32;
}
pub struct U<T1, T2>(T1, S<T2>)
where
T1: Foo<T = T2>;
pub struct S<T>(T);
fn main() {
// The error message here isn't great -- it has to do with the fact that the
// `expected_inputs_for_expected_output` deduced inputs differs from the inputs
// that we infer from the constraints of the signature.
//
// I am not really sure what the best way of presenting this error message is,
// since right now it just suggests changing `3u32` <=> `3f32` back and forth.
let _: U<_, u32> = U(1, S(3u32));
//~^ ERROR mismatched types
//~| ERROR mismatched types
}
|
