rust/tests/compile-fail/double_neg.rs

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2016-06-29 18:00:25 -05:00
#![feature(plugin)]
#![plugin(clippy)]
#[deny(double_neg)]
fn main() {
let x = 1;
-x;
-(-x);
--x; //~ERROR: `--x` could be misinterpreted as pre-decrement by C programmers, is usually a no-op
}