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#![feature(const_trait_impl)]
struct S;
#[const_trait]
trait Foo {
fn eq(&self, _: &Self) -> bool;
}
impl Foo for S {
fn eq(&self, _: &S) -> bool {
true
}
}
const fn equals_self<T: ~const Foo>(t: &T) -> bool {
true
}
// Calling `equals_self` with something that has a non-const impl should throw an error, despite
// it not using the impl.
pub const EQ: bool = equals_self(&S);
//~^ ERROR
fn main() {}
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