27 lines
470 B
Rust
27 lines
470 B
Rust
//@ run-pass
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#![feature(fn_delegation)]
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#![allow(incomplete_features)]
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trait Trait : Sized {
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fn by_value(self) -> i32 { 1 }
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fn by_mut_ref(&mut self) -> i32 { 2 }
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fn by_ref(&self) -> i32 { 3 }
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}
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struct F;
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impl Trait for F {}
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struct S(F);
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impl Trait for S {
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reuse Trait::{by_value, by_mut_ref, by_ref} { self.0 }
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}
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fn main() {
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let mut s = S(F);
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assert_eq!(s.by_ref(), 3);
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assert_eq!(s.by_mut_ref(), 2);
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assert_eq!(s.by_value(), 1);
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}
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