39 lines
838 B
Rust
39 lines
838 B
Rust
// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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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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#![warn(clippy::all)]
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#![allow(unused)]
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fn the_answer(ref mut x: u8) {
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*x = 42;
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}
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fn main() {
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let mut x = 0;
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the_answer(x);
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// Closures should not warn
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let y = |ref x| { println!("{:?}", x) };
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y(1u8);
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let ref x = 1;
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let ref y: (&_, u8) = (&1, 2);
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let ref z = 1 + 2;
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let ref mut z = 1 + 2;
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let (ref x, _) = (1,2); // okay, not top level
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println!("The answer is {}.", x);
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}
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