rust-clippy/tests/ui/needless_bitwise_bool.rs

40 lines
795 B
Rust

// run-rustfix
#![warn(clippy::needless_bitwise_bool)]
fn returns_bool() -> bool {
true
}
const fn const_returns_bool() -> bool {
false
}
fn main() {
let (x, y) = (false, true);
if x & y {
println!("true")
}
if returns_bool() & x {
println!("true")
}
if !returns_bool() & returns_bool() {
println!("true")
}
if y & !x {
println!("true")
}
// BELOW: lints we hope to catch as `Expr::can_have_side_effects` improves.
if y & !const_returns_bool() {
println!("true") // This is a const function, in an UnOp
}
if y & "abcD".is_empty() {
println!("true") // This is a const method call
}
if y & (0 < 1) {
println!("true") // This is a BinOp with no side effects
}
}