mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-14 01:25:54 +00:00
123 lines
2.4 KiB
Rust
123 lines
2.4 KiB
Rust
// run-rustfix
|
|
|
|
#![warn(clippy::manual_map)]
|
|
#![allow(clippy::no_effect, clippy::map_identity, clippy::unit_arg, clippy::match_ref_pats)]
|
|
|
|
fn main() {
|
|
match Some(0) {
|
|
Some(_) => Some(2),
|
|
None::<u32> => None,
|
|
};
|
|
|
|
match Some(0) {
|
|
Some(x) => Some(x + 1),
|
|
_ => None,
|
|
};
|
|
|
|
match Some("") {
|
|
Some(x) => Some(x.is_empty()),
|
|
None => None,
|
|
};
|
|
|
|
if let Some(x) = Some(0) {
|
|
Some(!x)
|
|
} else {
|
|
None
|
|
};
|
|
|
|
#[rustfmt::skip]
|
|
match Some(0) {
|
|
Some(x) => { Some(std::convert::identity(x)) }
|
|
None => { None }
|
|
};
|
|
|
|
match Some(&String::new()) {
|
|
Some(x) => Some(str::len(x)),
|
|
None => None,
|
|
};
|
|
|
|
match Some(0) {
|
|
Some(x) if false => Some(x + 1),
|
|
_ => None,
|
|
};
|
|
|
|
match &Some([0, 1]) {
|
|
Some(x) => Some(x[0]),
|
|
&None => None,
|
|
};
|
|
|
|
match &Some(0) {
|
|
&Some(x) => Some(x * 2),
|
|
None => None,
|
|
};
|
|
|
|
match Some(String::new()) {
|
|
Some(ref x) => Some(x.is_empty()),
|
|
_ => None,
|
|
};
|
|
|
|
match &&Some(String::new()) {
|
|
Some(x) => Some(x.len()),
|
|
_ => None,
|
|
};
|
|
|
|
match &&Some(0) {
|
|
&&Some(x) => Some(x + x),
|
|
&&_ => None,
|
|
};
|
|
|
|
#[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)]
|
|
{
|
|
match &mut Some(String::new()) {
|
|
Some(x) => Some(x.push_str("")),
|
|
None => None,
|
|
};
|
|
}
|
|
|
|
match &mut Some(String::new()) {
|
|
Some(ref x) => Some(x.len()),
|
|
None => None,
|
|
};
|
|
|
|
match &mut &Some(String::new()) {
|
|
Some(x) => Some(x.is_empty()),
|
|
&mut _ => None,
|
|
};
|
|
|
|
match Some((0, 1, 2)) {
|
|
Some((x, y, z)) => Some(x + y + z),
|
|
None => None,
|
|
};
|
|
|
|
match Some([1, 2, 3]) {
|
|
Some([first, ..]) => Some(first),
|
|
None => None,
|
|
};
|
|
|
|
match &Some((String::new(), "test")) {
|
|
Some((x, y)) => Some((y, x)),
|
|
None => None,
|
|
};
|
|
|
|
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,
|
|
};
|
|
}
|