rust/tests/ui/comparison_to_empty.rs
2023-06-06 22:56:57 +02:00

25 lines
446 B
Rust

//@run-rustfix
#![warn(clippy::comparison_to_empty)]
#![allow(clippy::useless_vec)]
fn main() {
// Disallow comparisons to empty
let s = String::new();
let _ = s == "";
let _ = s != "";
let v = vec![0];
let _ = v == [];
let _ = v != [];
// Allow comparisons to non-empty
let s = String::new();
let _ = s == " ";
let _ = s != " ";
let v = vec![0];
let _ = v == [0];
let _ = v != [0];
}