rust/tests/ui/rfcs/rfc-2632-const-trait-impl/do-not-const-check.rs

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// check-pass
#![feature(const_trait_impl, rustc_attrs)]
#[const_trait]
trait IntoIter {
fn into_iter(self);
}
#[const_trait]
trait Hmm: Sized {
#[rustc_do_not_const_check]
fn chain<U>(self, other: U) where U: IntoIter,
{
other.into_iter()
}
}
fn main() {}