rust/tests/compile-fail/let_return.rs
Georg Brandl 7aee04878f tests: use fragment of lint text for error checking
(Did not touch strings.rs, which is fixed by @llogiq's PR)
2015-08-13 08:12:07 +02:00

35 lines
570 B
Rust
Executable File

#![feature(plugin)]
#![plugin(clippy)]
#![deny(let_and_return)]
fn test() -> i32 {
let _y = 0; // no warning
let x = 5; //~NOTE
x //~ERROR returning the result of a let binding
}
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 main() {
test();
test_nowarn_1();
test_nowarn_2();
test_nowarn_3();
}