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// Copyright 2016 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.
macro_rules! width(
($this:expr) => {
$this.width.unwrap()
//~^ ERROR cannot use `self.width` because it was mutably borrowed
}
);
struct HasInfo {
width: Option<usize>
}
impl HasInfo {
fn get_size(&mut self, n: usize) -> usize {
n
}
fn get_other(&mut self) -> usize {
self.get_size(width!(self))
//~^ NOTE in this expansion of width!
//~| NOTE borrow of `*self` occurs here
}
}
fn main() {}
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