mirror of https://github.com/rust-lang/rust
29 lines
466 B
Rust
29 lines
466 B
Rust
//@ run-pass
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// Tests that you can use a fn lifetime parameter as part of
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// the value for a type parameter in a bound.
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trait Get<T> {
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fn get(&self) -> T;
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}
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#[derive(Copy, Clone)]
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struct Box<T> {
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t: T
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}
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impl<T:Clone> Get<T> for Box<T> {
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fn get(&self) -> T {
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self.t.clone()
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}
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}
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fn add<'a,G:Get<&'a isize>>(g1: G, g2: G) -> isize {
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*g1.get() + *g2.get()
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}
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pub fn main() {
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let b1 = Box { t: &3 };
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assert_eq!(add(b1, b1), 6);
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}
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