rust/src/test/run-pass/borrowck-pat-reassign-no-binding.rs

22 lines
695 B
Rust

// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
pub fn main() {
let mut x = None;
match x {
None => {
// It is ok to reassign x here, because there is in
// fact no outstanding loan of x!
x = Some(0);
}
Some(_) => { }
}
}