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