a30ea013f5
Add a new method_super origin for supertrait methods. Also make coherence create a table that maps pairs of trait IDs and self types to impl IDs, so that it's possible to check a supertrait method knowing only its index in its trait's methods (without knowing all supertraits for a given trait). r=nmatsakis and graydon -- with hope, we'll revamp all of this code as per #4678, but for now this fixes the bug. Closes #3979
27 lines
740 B
Rust
27 lines
740 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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#[link(name = "issue_3979_traits",
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vers = "0.1")];
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#[crate_type = "lib"];
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trait Positioned {
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fn SetX(&self, int);
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fn X(&self) -> int;
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}
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#[allow(default_methods)]
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trait Movable: Positioned {
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fn translate(&self, dx: int) {
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self.SetX(self.X() + dx);
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}
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}
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