rust/tests/compile-fail/bool_comparison.rs

24 lines
909 B
Rust

#![feature(plugin)]
#![plugin(clippy)]
#[deny(bool_comparison)]
fn main() {
let x = true;
if x == true { "yes" } else { "no" };
//~^ ERROR equality checks against true are unnecesary
//~| HELP try simplifying it as shown:
//~| SUGGESTION if x { "yes" } else { "no" };
if x == false { "yes" } else { "no" };
//~^ ERROR equality checks against false can be replaced by a negation
//~| HELP try simplifying it as shown:
//~| SUGGESTION if !x { "yes" } else { "no" };
if true == x { "yes" } else { "no" };
//~^ ERROR equality checks against true are unnecesary
//~| HELP try simplifying it as shown:
//~| SUGGESTION if x { "yes" } else { "no" };
if false == x { "yes" } else { "no" };
//~^ ERROR equality checks against false can be replaced by a negation
//~| HELP try simplifying it as shown:
//~| SUGGESTION if !x { "yes" } else { "no" };
}