| // Copyright 2014-2019 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution. |
| // |
| // 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. |
| |
| // run-rustfix |
| #![allow(unused_imports)] |
| #![warn(clippy::all, clippy::style, clippy::mem_replace_option_with_none)] |
| |
| use std::mem; |
| |
| fn main() { |
| let mut an_option = Some(1); |
| let _ = mem::replace(&mut an_option, None); |
| let an_option = &mut Some(1); |
| let _ = mem::replace(an_option, None); |
| } |
