29 lines
833 B
Rust
29 lines
833 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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fn require_copy<T: Copy>(x: T) {}
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struct Foo<T> { x: T }
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// Ensure constraints are only attached to methods locally
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impl<T> Foo<T> {
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fn needs_copy(self) where T: Copy {
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require_copy(self.x);
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}
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fn fails_copy(self) {
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require_copy(self.x);
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//~^ ERROR the trait bound `T: std::marker::Copy` is not satisfied
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}
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}
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fn main() {}
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