error: this `.fold` can be written more succinctly using another method --> $DIR/unnecessary_fold.rs:4:19 | 4 | let _ = (0..3).fold(false, |acc, x| acc || x > 2); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.any(|x| x > 2)` | = note: `-D unnecessary-fold` implied by `-D warnings` error: this `.fold` can be written more succinctly using another method --> $DIR/unnecessary_fold.rs:6:19 | 6 | let _ = (0..3).fold(true, |acc, x| acc && x > 2); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.all(|x| x > 2)` error: this `.fold` can be written more succinctly using another method --> $DIR/unnecessary_fold.rs:8:19 | 8 | let _ = (0..3).fold(0, |acc, x| acc + x); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()` error: this `.fold` can be written more succinctly using another method --> $DIR/unnecessary_fold.rs:10:19 | 10 | let _ = (0..3).fold(1, |acc, x| acc * x); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.product()` error: this `.fold` can be written more succinctly using another method --> $DIR/unnecessary_fold.rs:15:34 | 15 | let _ = (0..3).map(|x| 2 * x).fold(false, |acc, x| acc || x > 2); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.any(|x| x > 2)` error: aborting due to 5 previous errors