error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:8:5 | LL | while let Option::Some(x) = iter.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in iter` | = note: `-D clippy::while-let-on-iterator` implied by `-D warnings` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:13:5 | LL | while let Some(x) = iter.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in iter` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:18:5 | LL | while let Some(_) = iter.next() {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for _ in iter` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:101:9 | LL | while let Some([..]) = it.next() {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for [..] in it` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:108:9 | LL | while let Some([_x]) = it.next() {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for [_x] in it` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:121:9 | LL | while let Some(x @ [_]) = it.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x @ [_] in it` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:153:9 | LL | while let Some(_) = y.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for _ in y` error: aborting due to 7 previous errors