37 lines
817 B
Rust
37 lines
817 B
Rust
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// Copyright 2013 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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// Tests that we can call a function bounded over a supertrait from
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// a default method
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fn require_y<T: Y>(x: T) -> int { x.y() }
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trait Y {
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fn y(self) -> int;
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}
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trait Z: Y {
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fn x(self) -> int {
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require_y(self)
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}
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}
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impl Y for int {
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fn y(self) -> int { self }
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}
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impl Z for int;
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fn main() {
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assert_eq!(12.x(), 12);
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}
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