1 // Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution.
4 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
5 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
7 // option. This file may not be copied, modified, or distributed
8 // except according to those terms.
10 use std::fs::OpenOptions;
12 #[allow(unused_must_use)]
13 #[warn(clippy::nonsensical_open_options)]
15 OpenOptions::new().read(true).truncate(true).open("foo.txt");
16 OpenOptions::new().append(true).truncate(true).open("foo.txt");
18 OpenOptions::new().read(true).read(false).open("foo.txt");
19 OpenOptions::new().create(true).create(false).open("foo.txt");
20 OpenOptions::new().write(true).write(false).open("foo.txt");
21 OpenOptions::new().append(true).append(false).open("foo.txt");
22 OpenOptions::new().truncate(true).truncate(false).open("foo.txt");