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:94:9 | 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:101:9 | 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:114:9 | 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:134:9 | LL | while let Some(_) = y.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for _ in y` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:191:9 | LL | while let Some(m) = it.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for m in &mut it` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:202:5 | LL | while let Some(n) = it.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for n in it` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:204:9 | LL | while let Some(m) = it.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for m in it` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:213:9 | LL | while let Some(m) = it.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for m in it` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:222:9 | LL | while let Some(m) = it.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for m in &mut it` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:239:9 | LL | while let Some(m) = it.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for m in &mut it` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:254:13 | LL | while let Some(i) = self.0.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for i in &mut self.0` error: manual `!RangeInclusive::contains` implementation --> $DIR/while_let_on_iterator.rs:255:20 | LL | if i < 3 || i > 7 { | ^^^^^^^^^^^^^^ help: use: `!(3..=7).contains(&i)` | = note: `-D clippy::manual-range-contains` implied by `-D warnings` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:286:13 | LL | while let Some(i) = self.0.0.0.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for i in &mut self.0.0.0` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:315:5 | LL | while let Some(n) = it.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for n in &mut it` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:327:9 | LL | while let Some(x) = it.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in &mut it` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:341:5 | LL | while let Some(x) = it.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in &mut *it` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:352:5 | LL | while let Some(x) = it.0.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in &mut *it.0` error: this loop could be written as a `for` loop --> $DIR/while_let_on_iterator.rs:371:5 | LL | while let Some(..) = it.next() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for _ in it` error: aborting due to 21 previous errors