mirror of https://github.com/rust-lang/rust
28 lines
543 B
Rust
28 lines
543 B
Rust
//@ run-pass
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#![allow(non_camel_case_types)]
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#[derive(Clone)]
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struct myvec<X>(Vec<X> );
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fn myvec_deref<X:Clone>(mv: myvec<X>) -> Vec<X> {
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let myvec(v) = mv;
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return v.clone();
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}
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fn myvec_elt<X>(mv: myvec<X>) -> X {
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let myvec(v) = mv;
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return v.into_iter().next().unwrap();
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}
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pub fn main() {
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let mv = myvec(vec![1, 2, 3]);
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let mv_clone = mv.clone();
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let mv_clone = myvec_deref(mv_clone);
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assert_eq!(mv_clone[1], 2);
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assert_eq!(myvec_elt(mv.clone()), 1);
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let myvec(v) = mv;
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assert_eq!(v[2], 3);
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}
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