75146fd59c
bindings.
This will break code that incorrectly did things like:
fn f(a @ box b: Box<String>) {}
Fix such code to not rely on undefined behavior.
Closes #12534.
[breaking-change]
22 lines
627 B
Rust
22 lines
627 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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// Issue #12534.
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struct A(Box<uint>);
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fn f(a @ A(u): A) -> Box<uint> { //~ ERROR cannot bind by-move with sub-bindings
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drop(a);
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u
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}
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fn main() {}
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