28 lines
727 B
Rust
28 lines
727 B
Rust
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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trait A {
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type Output;
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fn a(&self) -> <Self as A>::X;
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//~^ ERROR: use of undeclared associated type `A::X`
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}
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impl A for u32 {
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type Output = u32;
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fn a(&self) -> u32 {
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0
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}
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}
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fn main() {
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let a: u32 = 0;
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let b: u32 = a.a();
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}
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