32 lines
805 B
Rust
32 lines
805 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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// Tests that auto-ref can't create mutable aliases to immutable memory.
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struct Foo {
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x: int
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}
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trait Stuff {
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fn printme(self);
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}
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impl<'self> Stuff for &'self mut Foo {
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fn printme(self) {
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io::println(fmt!("%d", self.x));
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}
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}
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fn main() {
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let x = Foo { x: 3 };
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x.printme(); //~ ERROR illegal borrow
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}
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