File: associated-const-resolution-order.rs

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rustc 1.85.0%2Bdfsg3-1
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//@ run-pass

struct MyType;

impl MyType {
    const IMPL_IS_INHERENT: bool = true;
}

trait MyTrait {
    const IMPL_IS_INHERENT: bool;
    const IMPL_IS_ON_TRAIT: bool;
}

impl MyTrait for MyType {
    const IMPL_IS_INHERENT: bool = false;
    const IMPL_IS_ON_TRAIT: bool = true;
}

fn main() {
    // Check that the inherent impl is used before the trait, but that the trait
    // can still be accessed.
    assert!(<MyType>::IMPL_IS_INHERENT);
    assert!(!<MyType as MyTrait>::IMPL_IS_INHERENT);
    assert!(<MyType>::IMPL_IS_ON_TRAIT);
}