26 lines
829 B
Rust
26 lines
829 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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fn borrow(v: &int, f: &fn(x: &int)) {
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f(v);
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}
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fn box_imm() {
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let mut v = ~3;
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do borrow(v) |w| { //~ NOTE loan of mutable local variable granted here
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v = ~4; //~ ERROR assigning to captured outer mutable variable in a stack closure prohibited due to outstanding loan
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assert!(*v == 3);
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assert!(*w == 4);
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}
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}
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fn main() {
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}
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