rust-clippy/tests/ui/stable_sort_primitive.rs

32 lines
1 KiB
Rust

#![warn(clippy::stable_sort_primitive)]
#![allow(clippy::useless_vec)]
fn main() {
// positive examples
let mut vec = vec![1, 3, 2];
vec.sort();
let mut vec = vec![false, false, true];
vec.sort();
let mut vec = vec!['a', 'A', 'c'];
vec.sort();
let mut vec = vec!["ab", "cd", "ab", "bc"];
vec.sort();
let mut vec = vec![(2, 1), (1, 2), (2, 5)];
vec.sort();
let mut vec = vec![[2, 1], [1, 2], [2, 5]];
vec.sort();
let mut arr = [1, 3, 2];
arr.sort();
// Negative examples: behavior changes if made unstable
let mut vec = vec![1, 3, 2];
vec.sort_by_key(|i| i / 2);
vec.sort_by(|&a, &b| (a + b).cmp(&b));
// negative examples - Not of a primitive type
let mut vec_of_complex = vec![String::from("hello"), String::from("world!")];
vec_of_complex.sort();
vec_of_complex.sort_by_key(String::len);
let mut vec = vec![(String::from("hello"), String::from("world"))];
vec.sort();
let mut vec = vec![[String::from("hello"), String::from("world")]];
vec.sort();
}