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// Tests that `T: ~const Foo` in a specializing impl is treated as equivalent to
// `T: Foo` in the default impl for the purposes of specialization (i.e., it
// does not think that the user is attempting to specialize on trait `Foo`).
// check-pass
#![feature(rustc_attrs)]
#![feature(min_specialization)]
#![feature(const_trait_impl)]
#[rustc_specialization_trait]
trait Specialize {}
#[const_trait]
trait Foo {}
#[const_trait]
trait Bar {
fn bar();
}
impl<T> Bar for T
where
T: Foo,
{
default fn bar() {}
}
impl<T> const Bar for T
where
T: ~const Foo,
T: Specialize,
{
fn bar() {}
}
#[const_trait]
trait Baz {
fn baz();
}
impl<T> const Baz for T
where
T: Foo,
{
default fn baz() {}
}
impl<T> const Baz for T
where
T: ~const Foo,
T: Specialize,
{
fn baz() {}
}
fn main() {}
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