mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-05 02:50:32 +00:00
102 lines
2 KiB
Rust
102 lines
2 KiB
Rust
// run-rustfix
|
|
|
|
#![warn(clippy::match_single_binding)]
|
|
#![allow(unused_variables, clippy::many_single_char_names, clippy::toplevel_ref_arg)]
|
|
|
|
struct Point {
|
|
x: i32,
|
|
y: i32,
|
|
}
|
|
|
|
fn coords() -> Point {
|
|
Point { x: 1, y: 2 }
|
|
}
|
|
|
|
macro_rules! foo {
|
|
($param:expr) => {
|
|
match $param {
|
|
_ => println!("whatever"),
|
|
}
|
|
};
|
|
}
|
|
|
|
fn main() {
|
|
let a = 1;
|
|
let b = 2;
|
|
let c = 3;
|
|
// Lint
|
|
match (a, b, c) {
|
|
(x, y, z) => {
|
|
println!("{} {} {}", x, y, z);
|
|
},
|
|
}
|
|
// Lint
|
|
match (a, b, c) {
|
|
(x, y, z) => println!("{} {} {}", x, y, z),
|
|
}
|
|
// Ok
|
|
foo!(a);
|
|
// Ok
|
|
match a {
|
|
2 => println!("2"),
|
|
_ => println!("Not 2"),
|
|
}
|
|
// Ok
|
|
let d = Some(5);
|
|
match d {
|
|
Some(d) => println!("{}", d),
|
|
_ => println!("None"),
|
|
}
|
|
// Lint
|
|
match a {
|
|
_ => println!("whatever"),
|
|
}
|
|
// Lint
|
|
match a {
|
|
_ => {
|
|
let x = 29;
|
|
println!("x has a value of {}", x);
|
|
},
|
|
}
|
|
// Lint
|
|
match a {
|
|
_ => {
|
|
let e = 5 * a;
|
|
if e >= 5 {
|
|
println!("e is superior to 5");
|
|
}
|
|
},
|
|
}
|
|
// Lint
|
|
let p = Point { x: 0, y: 7 };
|
|
match p {
|
|
Point { x, y } => println!("Coords: ({}, {})", x, y),
|
|
}
|
|
// Lint
|
|
match p {
|
|
Point { x: x1, y: y1 } => println!("Coords: ({}, {})", x1, y1),
|
|
}
|
|
// Lint
|
|
let x = 5;
|
|
match x {
|
|
ref r => println!("Got a reference to {}", r),
|
|
}
|
|
// Lint
|
|
let mut x = 5;
|
|
match x {
|
|
ref mut mr => println!("Got a mutable reference to {}", mr),
|
|
}
|
|
// Lint
|
|
let product = match coords() {
|
|
Point { x, y } => x * y,
|
|
};
|
|
// Lint
|
|
let v = vec![Some(1), Some(2), Some(3), Some(4)];
|
|
#[allow(clippy::let_and_return)]
|
|
let _ = v
|
|
.iter()
|
|
.map(|i| match i.unwrap() {
|
|
unwrapped => unwrapped,
|
|
})
|
|
.collect::<Vec<u8>>();
|
|
}
|