rust/tests/compile-fail/needless_bool.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

13 lines
570 B
Rust
Executable File

#![feature(plugin)]
#![plugin(clippy)]
#[deny(needless_bool)]
fn main() {
let x = true;
if x { true } else { true }; //~ERROR your if-then-else expression will always return true
if x { false } else { false }; //~ERROR your if-then-else expression will always return false
if x { true } else { false }; //~ERROR you can reduce your if statement to its predicate
if x { false } else { true }; //~ERROR you can reduce your if statement to `!` + its predicate
if x { x } else { false }; // would also be questionable, but we don't catch this yet
}