29 lines
912 B
Rust
29 lines
912 B
Rust
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// Copyright 2014 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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// Test that (for now) we report an ambiguity error here, because
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// specific trait relationships are ignored for the purposes of trait
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// matching. This behavior should likely be improved such that this
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// test passes. See #21974 for more details.
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trait Foo {
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fn foo(self);
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}
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fn foo<'a,'b,T>(x: &'a T, y: &'b T)
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where &'a T : Foo,
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&'b T : Foo
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{
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x.foo(); //~ ERROR type annotations required
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y.foo();
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}
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fn main() { }
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