1 error: use Vec::sort here instead
2 --> $DIR/unnecessary_sort_by.rs:14:5
4 LL | vec.sort_by(|a, b| a.cmp(b));
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.sort()`
7 = note: `-D clippy::unnecessary-sort-by` implied by `-D warnings`
9 error: use Vec::sort here instead
10 --> $DIR/unnecessary_sort_by.rs:15:5
12 LL | vec.sort_unstable_by(|a, b| a.cmp(b));
13 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.sort_unstable()`
15 error: use Vec::sort_by_key here instead
16 --> $DIR/unnecessary_sort_by.rs:16:5
18 LL | vec.sort_by(|a, b| (a + 5).abs().cmp(&(b + 5).abs()));
19 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.sort_by_key(|&a| (a + 5).abs())`
21 error: use Vec::sort_by_key here instead
22 --> $DIR/unnecessary_sort_by.rs:17:5
24 LL | vec.sort_unstable_by(|a, b| id(-a).cmp(&id(-b)));
25 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.sort_unstable_by_key(|&a| id(-a))`
27 error: use Vec::sort_by_key here instead
28 --> $DIR/unnecessary_sort_by.rs:19:5
30 LL | vec.sort_by(|a, b| b.cmp(a));
31 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.sort_by_key(|&b| Reverse(b))`
33 error: use Vec::sort_by_key here instead
34 --> $DIR/unnecessary_sort_by.rs:20:5
36 LL | vec.sort_by(|a, b| (b + 5).abs().cmp(&(a + 5).abs()));
37 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.sort_by_key(|&b| Reverse((b + 5).abs()))`
39 error: use Vec::sort_by_key here instead
40 --> $DIR/unnecessary_sort_by.rs:21:5
42 LL | vec.sort_unstable_by(|a, b| id(-b).cmp(&id(-a)));
43 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.sort_unstable_by_key(|&b| Reverse(id(-b)))`
45 error: aborting due to 7 previous errors