46 lines
1.0 KiB
Rust
46 lines
1.0 KiB
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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// A test case for #2548.
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struct foo {
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x: @mut int,
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}
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#[unsafe_destructor]
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impl Drop for foo {
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fn finalize(&self) {
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unsafe {
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io::println("Goodbye, World!");
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*self.x += 1;
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}
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}
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}
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fn foo(x: @mut int) -> foo {
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foo { x: x }
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}
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fn main() {
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let x = @mut 0;
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{
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let mut res = foo(x);
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let mut v = ~[];
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v = ~[(res)] + v; //~ instantiating a type parameter with an incompatible type `foo`, which does not fulfill `Copy`
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assert!((v.len() == 2));
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}
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assert!(*x == 1);
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}
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