32 lines
980 B
Rust
32 lines
980 B
Rust
// Copyright 2012-2014 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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#![allow(unused_variables)]
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#![allow(unused_assignments)]
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fn separate_arms() {
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// Here both arms perform assignments, but only is illegal.
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let mut x = None;
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match x {
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None => {
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// It is ok to reassign x here, because there is in
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// fact no outstanding loan of x!
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x = Some(0);
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}
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Some(ref __isize) => {
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x = Some(1); //~ ERROR cannot assign
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}
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}
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x.clone(); // just to prevent liveness warnings
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}
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fn main() {}
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