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|
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:22:5
|
LL | binary_heap = binary_heap.into_iter().filter(|x| x % 2 == 0).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `binary_heap.retain(|x| x % 2 == 0)`
|
= note: `-D clippy::manual-retain` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::manual_retain)]`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:23:5
|
LL | binary_heap = binary_heap.iter().filter(|&x| x % 2 == 0).copied().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `binary_heap.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:24:5
|
LL | binary_heap = binary_heap.iter().filter(|&x| x % 2 == 0).cloned().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `binary_heap.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:54:5
|
LL | btree_map = btree_map.into_iter().filter(|(k, _)| k % 2 == 0).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `btree_map.retain(|k, _| k % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:55:5
|
LL | btree_map = btree_map.into_iter().filter(|(_, v)| v % 2 == 0).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `btree_map.retain(|_, &mut v| v % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:56:5
|
LL | / btree_map = btree_map
LL | | .into_iter()
LL | | .filter(|(k, v)| (k % 2 == 0) && (v % 2 == 0))
LL | | .collect();
| |__________________^ help: consider calling `.retain()` instead: `btree_map.retain(|k, &mut v| (k % 2 == 0) && (v % 2 == 0))`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:78:5
|
LL | btree_set = btree_set.iter().filter(|&x| x % 2 == 0).copied().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `btree_set.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:79:5
|
LL | btree_set = btree_set.iter().filter(|&x| x % 2 == 0).cloned().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `btree_set.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:80:5
|
LL | btree_set = btree_set.into_iter().filter(|x| x % 2 == 0).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `btree_set.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:110:5
|
LL | hash_map = hash_map.into_iter().filter(|(k, _)| k % 2 == 0).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `hash_map.retain(|k, _| k % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:111:5
|
LL | hash_map = hash_map.into_iter().filter(|(_, v)| v % 2 == 0).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `hash_map.retain(|_, &mut v| v % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:112:5
|
LL | / hash_map = hash_map
LL | | .into_iter()
LL | | .filter(|(k, v)| (k % 2 == 0) && (v % 2 == 0))
LL | | .collect();
| |__________________^ help: consider calling `.retain()` instead: `hash_map.retain(|k, &mut v| (k % 2 == 0) && (v % 2 == 0))`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:133:5
|
LL | hash_set = hash_set.into_iter().filter(|x| x % 2 == 0).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `hash_set.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:134:5
|
LL | hash_set = hash_set.iter().filter(|&x| x % 2 == 0).copied().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `hash_set.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:135:5
|
LL | hash_set = hash_set.iter().filter(|&x| x % 2 == 0).cloned().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `hash_set.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:164:5
|
LL | s = s.chars().filter(|&c| c != 'o').to_owned().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `s.retain(|c| c != 'o')`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:176:5
|
LL | vec = vec.iter().filter(|&x| x % 2 == 0).copied().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `vec.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:177:5
|
LL | vec = vec.iter().filter(|&x| x % 2 == 0).cloned().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `vec.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:178:5
|
LL | vec = vec.into_iter().filter(|x| x % 2 == 0).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `vec.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:200:5
|
LL | vec_deque = vec_deque.iter().filter(|&x| x % 2 == 0).copied().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `vec_deque.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:201:5
|
LL | vec_deque = vec_deque.iter().filter(|&x| x % 2 == 0).cloned().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `vec_deque.retain(|x| x % 2 == 0)`
error: this expression can be written more simply using `.retain()`
--> $DIR/manual_retain.rs:202:5
|
LL | vec_deque = vec_deque.into_iter().filter(|x| x % 2 == 0).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `vec_deque.retain(|x| x % 2 == 0)`
error: aborting due to 22 previous errors
|
