34 lines
905 B
Rust
34 lines
905 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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struct box_impl<T> {
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mut f: T,
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}
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fn box_impl<T>(f: T) -> box_impl<T> {
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box_impl {
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f: f
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}
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}
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fn set_box_impl<T>(b: box_impl<@const T>, v: @const T) {
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b.f = v;
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}
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fn main() {
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let b = box_impl::<@int>(@3);
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set_box_impl(b, @mut 5);
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//~^ ERROR values differ in mutability
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// No error when type of parameter actually IS @const int
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let b = box_impl::<@const int>(@3);
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set_box_impl(b, @mut 5);
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}
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