47 lines
657 B
Rust
47 lines
657 B
Rust
|
|
|
|
#![allow(unused)]
|
|
|
|
#![warn(let_and_return)]
|
|
|
|
fn test() -> i32 {
|
|
let _y = 0; // no warning
|
|
let x = 5;
|
|
x
|
|
}
|
|
|
|
fn test_inner() -> i32 {
|
|
if true {
|
|
let x = 5;
|
|
x
|
|
} else {
|
|
0
|
|
}
|
|
}
|
|
|
|
fn test_nowarn_1() -> i32 {
|
|
let mut x = 5;
|
|
x += 1;
|
|
x
|
|
}
|
|
|
|
fn test_nowarn_2() -> i32 {
|
|
let x = 5;
|
|
x + 1
|
|
}
|
|
|
|
fn test_nowarn_3() -> (i32, i32) {
|
|
// this should technically warn, but we do not compare complex patterns
|
|
let (x, y) = (5, 9);
|
|
(x, y)
|
|
}
|
|
|
|
fn test_nowarn_4() -> i32 {
|
|
// this should technically warn, but not b/c of let_and_return, but b/c of useless type
|
|
let x: i32 = 5;
|
|
x
|
|
}
|
|
|
|
fn main() {
|
|
}
|