rust-clippy/tests/ui/needless_else.rs

57 lines
984 B
Rust

#![allow(unused)]
#![warn(clippy::needless_else)]
#![allow(clippy::suspicious_else_formatting)]
macro_rules! mac {
($test:expr) => {
if $test {
println!("Test successful!");
} else {
}
};
}
macro_rules! empty_expansion {
() => {};
}
fn main() {
let b = std::hint::black_box(true);
if b {
println!("Foobar");
} else {
}
if b {
println!("Foobar");
} else {
// Do not lint because this comment might be important
}
if b {
println!("Foobar");
} else
/* Do not lint because this comment might be important */
{
}
// Do not lint because of the expression
let _ = if b { 1 } else { 2 };
// Do not lint because inside a macro
mac!(b);
if b {
println!("Foobar");
} else {
#[cfg(foo)]
"Do not lint cfg'd out code"
}
if b {
println!("Foobar");
} else {
empty_expansion!();
}
}