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#![feature(const_trait_impl, const_mut_refs)]
struct Foo<'a> {
bar: &'a mut Vec<usize>,
}
impl<'a> Foo<'a> {
const fn spam(&mut self, baz: &mut Vec<u32>) {
self.bar[0] = baz.len();
//~^ the trait bound `Vec<usize>: ~const Index<_>` is not satisfied
//~| the trait bound `Vec<usize>: ~const IndexMut<usize>` is not satisfied
}
}
fn main() {}
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