rust-clippy/tests/compile-fail/mut_mut.rs
2015-05-18 09:02:24 +02:00

20 lines
381 B
Rust

#![feature(plugin)]
#![plugin(clippy)]
#[deny(mut_mut)]
fn fun(x : &mut &mut u32) -> bool { //~ERROR
**x > 0
}
#[deny(mut_mut)]
fn main() {
let mut x = &mut &mut 1u32; //~ERROR
if fun(x) {
let y : &mut &mut &mut u32 = &mut &mut &mut 2;
//~^ ERROR
//~^^ ERROR
//~^^^ ERROR
//~^^^^ ERROR
***y + **x;
}
}