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//@ [full] run-pass
//@ revisions: full min
#![cfg_attr(full, feature(adt_const_params, unsized_const_params))]
#![cfg_attr(full, allow(incomplete_features))]
struct Foo {
i: i32,
}
trait Get<'a, const N: &'static str> {
//[min]~^ ERROR `&'static str` is forbidden as the type of a const generic parameter
type Target: 'a;
fn get(&'a self) -> &'a Self::Target;
}
impl Foo {
fn ask<'a, const N: &'static str>(&'a self) -> &'a <Self as Get<N>>::Target
//[min]~^ ERROR `&'static str` is forbidden as the type of a const generic parameter
//~^^ WARNING elided lifetime has a name
where
Self: Get<'a, N>,
{
self.get()
}
}
impl<'a> Get<'a, "int"> for Foo {
type Target = i32;
fn get(&'a self) -> &'a Self::Target {
&self.i
}
}
fn main() {
let foo = Foo { i: 123 };
assert_eq!(foo.ask::<"int">(), &123);
}
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