rust/tests/ui/did_you_mean/issue-21659-show-relevant-t...

31 lines
456 B
Rust

trait Foo<A> {
fn foo(&self, a: A) -> A {
a
}
}
trait NotRelevant<A> {
fn nr(&self, a: A) -> A {
a
}
}
struct Bar;
impl Foo<i8> for Bar {}
impl Foo<i16> for Bar {}
impl Foo<i32> for Bar {}
impl Foo<u8> for Bar {}
impl Foo<u16> for Bar {}
impl Foo<u32> for Bar {}
impl NotRelevant<usize> for Bar {}
fn main() {
let f1 = Bar;
f1.foo(1usize);
//~^ error: the trait bound `Bar: Foo<usize>` is not satisfied
}