119 lines
2.3 KiB
Rust
119 lines
2.3 KiB
Rust
// run-rustfix
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#![warn(clippy::match_single_binding)]
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#![allow(unused_variables, clippy::many_single_char_names, clippy::toplevel_ref_arg)]
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struct Point {
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x: i32,
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y: i32,
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}
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fn coords() -> Point {
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Point { x: 1, y: 2 }
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}
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macro_rules! foo {
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($param:expr) => {
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match $param {
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_ => println!("whatever"),
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}
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};
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}
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fn main() {
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let a = 1;
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let b = 2;
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let c = 3;
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// Lint
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let (x, y, z) = (a, b, c);
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{
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println!("{} {} {}", x, y, z);
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}
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// Lint
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let (x, y, z) = (a, b, c);
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println!("{} {} {}", x, y, z);
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// Ok
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foo!(a);
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// Ok
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match a {
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2 => println!("2"),
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_ => println!("Not 2"),
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}
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// Ok
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let d = Some(5);
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match d {
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Some(d) => println!("{}", d),
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_ => println!("None"),
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}
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// Lint
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println!("whatever");
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// Lint
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{
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let x = 29;
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println!("x has a value of {}", x);
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}
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// Lint
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{
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let e = 5 * a;
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if e >= 5 {
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println!("e is superior to 5");
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}
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}
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// Lint
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let p = Point { x: 0, y: 7 };
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let Point { x, y } = p;
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println!("Coords: ({}, {})", x, y);
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// Lint
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let Point { x: x1, y: y1 } = p;
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println!("Coords: ({}, {})", x1, y1);
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// Lint
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let x = 5;
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let ref r = x;
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println!("Got a reference to {}", r);
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// Lint
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let mut x = 5;
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let ref mut mr = x;
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println!("Got a mutable reference to {}", mr);
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// Lint
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let Point { x, y } = coords();
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let product = x * y;
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// Lint
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let v = vec![Some(1), Some(2), Some(3), Some(4)];
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#[allow(clippy::let_and_return)]
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let _ = v
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.iter()
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.map(|i| {
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let unwrapped = i.unwrap();
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unwrapped
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})
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.collect::<Vec<u8>>();
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// Ok
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let x = 1;
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match x {
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#[cfg(disabled_feature)]
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0 => println!("Disabled branch"),
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_ => println!("Enabled branch"),
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}
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// Lint
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let x = 1;
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let y = 1;
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println!("Single branch");
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// Ok
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let x = 1;
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let y = 1;
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match match y {
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0 => 1,
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_ => 2,
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} {
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#[cfg(disabled_feature)]
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0 => println!("Array index start"),
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_ => println!("Not an array index start"),
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}
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// False negative
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let x = 1;
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match x {
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// =>
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_ => println!("Not an array index start"),
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}
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}
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