71 lines
1.5 KiB
Rust
71 lines
1.5 KiB
Rust
// run-rustfix
|
|
|
|
#![warn(clippy::manual_map)]
|
|
#![allow(clippy::no_effect, clippy::map_identity, clippy::unit_arg, clippy::match_ref_pats)]
|
|
|
|
fn main() {
|
|
Some(0).map(|_| 2);
|
|
|
|
Some(0).map(|x| x + 1);
|
|
|
|
Some("").map(|x| x.is_empty());
|
|
|
|
Some(0).map(|x| !x);
|
|
|
|
#[rustfmt::skip]
|
|
Some(0).map(std::convert::identity);
|
|
|
|
Some(&String::new()).map(|x| str::len(x));
|
|
|
|
match Some(0) {
|
|
Some(x) if false => Some(x + 1),
|
|
_ => None,
|
|
};
|
|
|
|
Some([0, 1]).as_ref().map(|x| x[0]);
|
|
|
|
Some(0).map(|x| x * 2);
|
|
|
|
Some(String::new()).as_ref().map(|x| x.is_empty());
|
|
|
|
Some(String::new()).as_ref().map(|x| x.len());
|
|
|
|
Some(0).map(|x| x + x);
|
|
|
|
#[warn(clippy::option_map_unit_fn)]
|
|
match &mut Some(String::new()) {
|
|
Some(x) => Some(x.push_str("")),
|
|
None => None,
|
|
};
|
|
|
|
#[allow(clippy::option_map_unit_fn)]
|
|
{
|
|
Some(String::new()).as_mut().map(|x| x.push_str(""));
|
|
}
|
|
|
|
Some(String::new()).as_ref().map(|x| x.len());
|
|
|
|
Some(String::new()).as_ref().map(|x| x.is_empty());
|
|
|
|
Some((0, 1, 2)).map(|(x, y, z)| x + y + z);
|
|
|
|
Some([1, 2, 3]).map(|[first, ..]| first);
|
|
|
|
Some((String::new(), "test")).as_ref().map(|(x, y)| (y, x));
|
|
|
|
match Some((String::new(), 0)) {
|
|
Some((ref x, y)) => Some((y, x)),
|
|
None => None,
|
|
};
|
|
|
|
match Some(Some(0)) {
|
|
Some(Some(_)) | Some(None) => Some(0),
|
|
None => None,
|
|
};
|
|
|
|
match Some(Some((0, 1))) {
|
|
Some(Some((x, 1))) => Some(x),
|
|
_ => None,
|
|
};
|
|
}
|