40 lines
676 B
Rust
40 lines
676 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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use crate::S;
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pub fn foo<'a>(#[cfg(FALSE)] a: u8, _b: &'a S) -> u32 {
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1
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}
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}
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reuse to_reuse::foo;
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trait Trait {
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fn foo(&self) -> u32 { 0 }
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fn bar(self: Box<Self>) -> u32 { 2 }
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fn baz(a: (i32, i32)) -> i32 { a.0 + a.1 }
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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 to_reuse::foo { self }
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reuse Trait::bar { Box::new(self.0) }
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reuse <F as Trait>::baz;
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}
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fn main() {
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let s = S(F);
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assert_eq!(1, foo(&s));
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assert_eq!(1, s.foo());
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assert_eq!(2, Box::new(s).bar());
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assert_eq!(4, S::baz((2, 2)));
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}
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