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// build-pass (FIXME(62277): could be check-pass?)
use std::marker::PhantomData;
struct Meta<A> {
value: i32,
type_: PhantomData<A>
}
trait MetaTrait {
fn get_value(&self) -> i32;
}
impl<A> MetaTrait for Meta<A> {
fn get_value(&self) -> i32 { self.value }
}
trait Bar {
fn get_const(&self) -> &dyn MetaTrait;
}
struct Foo<A> {
_value: A
}
impl<A: 'static> Foo<A> {
const CONST: &'static dyn MetaTrait = &Meta::<Self> {
value: 10,
type_: PhantomData
};
}
impl<A: 'static> Bar for Foo<A> {
fn get_const(&self) -> &dyn MetaTrait { Self::CONST }
}
fn main() {
let foo = Foo::<i32> { _value: 10 };
let bar: &dyn Bar = &foo;
println!("const {}", bar.get_const().get_value());
}
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