rust/tests/ui/comparison_to_empty.rs

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// run-rustfix
#![warn(clippy::comparison_to_empty)]
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];
}