e0cac488ac
Implement support in the parser for generalized where clauses, as well as the conversion of ast::WherePredicates to ty::Predicate in `collect.rs`.
25 lines
670 B
Rust
25 lines
670 B
Rust
// 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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struct A;
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trait U {}
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// impl U for A {}
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fn equal<T>(_: &T, _: &T) -> bool where A : U {
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true
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}
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fn main() {
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equal(&0i, &0i);
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//~^ ERROR the trait `U` is not implemented for the type `A`
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}
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