tests/ui/specialization/specialization-feature-gate-overlap.rs


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// Check that writing an overlapping impl is not allow unless specialization is ungated.

// gate-test-specialization

trait Foo {
    fn foo(&self);
}

impl<T> Foo for T {
    fn foo(&self) {}
}

impl Foo for u8 { //~ ERROR E0119
    fn foo(&self) {}
}

fn main() {}