168ac5290e
This code fits better in check because it is checking that the impl matches the interface. This allows us to avoid the awkward constructions that lazilly collect traits and so forth. It also permits us to make use of the results of variance inference.
27 lines
723 B
Rust
27 lines
723 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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trait MyEq {
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fn eq(&self, other: &Self) -> bool;
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}
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struct A {
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x: int
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}
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impl MyEq for int {
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fn eq(&self, other: &int) -> bool { *self == *other }
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}
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impl MyEq for A {} //~ ERROR not all trait methods implemented, missing: `eq`
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fn main() {
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}
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