28 lines
834 B
Rust
28 lines
834 B
Rust
// Copyright 2016 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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#![allow(dead_code)]
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trait MultiDispatch<T> {
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type O;
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}
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trait Trait: Sized {
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type A: MultiDispatch<Self::B, O = Self>;
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type B;
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fn new<U>(u: U) -> <Self::A as MultiDispatch<U>>::O where Self::A : MultiDispatch<U>;
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}
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fn test<T: Trait<B=i32>>(b: i32) -> T where T::A: MultiDispatch<i32> { T::new(b) }
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//~^ ERROR type mismatch resolving
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fn main() {}
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