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//@ run-pass
//@ revisions: default feature
#![cfg_attr(feature, feature(arbitrary_self_types))]
// This test aims to be like the IndexVec within rustc, and conflicts
// over its into_iter().
#[allow(dead_code)]
trait Foo {
fn foo(self) -> usize;
}
struct IndexVec<T>(T);
impl<T> std::ops::Deref for IndexVec<T> {
type Target = T;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl<'a, T> Foo for &'a IndexVec<T> {
fn foo(self) -> usize {
2
}
}
impl<T> IndexVec<T> {
fn foo(self) -> usize {
1
}
}
fn main() {
let ivec = IndexVec(0usize);
assert_eq!(ivec.foo(), 1);
}
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