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use std::fs::OpenOptions;
#[allow(unused_must_use)]
#[warn(clippy::nonsensical_open_options)]
fn main() {
OpenOptions::new().read(true).truncate(true).open("foo.txt");
OpenOptions::new().append(true).truncate(true).open("foo.txt");
OpenOptions::new().read(true).read(false).open("foo.txt");
OpenOptions::new().create(true).create(false).open("foo.txt");
OpenOptions::new().write(true).write(false).open("foo.txt");
OpenOptions::new().append(true).append(false).open("foo.txt");
OpenOptions::new().truncate(true).truncate(false).open("foo.txt");
}
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