29 lines
833 B
Rust
29 lines
833 B
Rust
// Copyright 2012 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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// pretty-expanded FIXME #23616
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trait Foo { fn f(&self) -> isize; }
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trait Bar : Foo { fn g(&self) -> isize; }
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struct A { x: isize }
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impl Foo for A { fn f(&self) -> isize { 10 } }
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impl Bar for A {
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// Testing that this impl can call the impl of Foo
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fn g(&self) -> isize { self.f() }
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}
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pub fn main() {
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let a = &A { x: 3 };
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assert_eq!(a.g(), 10);
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}
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