tests/ui/suggestions/bad-infer-in-trait-impl.rs


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trait Foo {
    fn bar();
}

impl Foo for () {
    fn bar(s: _) {}
    //~^ ERROR the placeholder `_` is not allowed within types on item signatures for associated functions
    //~| ERROR has 1 parameter but the declaration in trait `Foo::bar` has 0
}

fn main() {}