mirror of https://github.com/rust-lang/rust
31 lines
502 B
Rust
31 lines
502 B
Rust
//@ run-pass
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#![feature(fn_delegation)]
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#![allow(incomplete_features)]
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mod to_reuse {
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pub fn foo<T>(x: T) -> T { x }
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}
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trait Trait1<T, U> {
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fn foo(&self, _: T, x: U) -> U { x }
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}
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#[derive(Default)]
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struct F;
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impl<T, U> Trait1<T, U> for F {}
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trait Trait2<T> {
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fn get_f(&self) -> &F { &F }
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reuse Trait1::foo as bar { self.get_f() }
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reuse to_reuse::foo as baz;
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}
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impl Trait2<u64> for F {}
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fn main() {
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assert_eq!(F.bar(1u8, 2u16), 2u16);
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assert_eq!(F::baz(1u8), 1u8);
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}
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