mirror of
https://github.com/rust-lang/rust-clippy
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124 lines
6.5 KiB
Text
124 lines
6.5 KiB
Text
error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:45:5
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LL | btree_map = btree_map.into_iter().filter(|(k, _)| k % 2 == 0).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `btree_map.retain(|k, _| k % 2 == 0)`
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= note: `-D clippy::manual-retain` implied by `-D warnings`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:46:5
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LL | btree_map = btree_map.into_iter().filter(|(_, v)| v % 2 == 0).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `btree_map.retain(|_, &mut v| v % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:47:5
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LL | / btree_map = btree_map
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LL | | .into_iter()
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LL | | .filter(|(k, v)| (k % 2 == 0) && (v % 2 == 0))
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LL | | .collect();
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| |__________________^ help: consider calling `.retain()` instead: `btree_map.retain(|k, &mut v| (k % 2 == 0) && (v % 2 == 0))`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:69:5
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LL | btree_set = btree_set.iter().filter(|&x| x % 2 == 0).copied().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `btree_set.retain(|x| x % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:70:5
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LL | btree_set = btree_set.iter().filter(|&x| x % 2 == 0).cloned().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `btree_set.retain(|x| x % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:71:5
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LL | btree_set = btree_set.into_iter().filter(|x| x % 2 == 0).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `btree_set.retain(|x| x % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:101:5
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LL | hash_map = hash_map.into_iter().filter(|(k, _)| k % 2 == 0).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `hash_map.retain(|k, _| k % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:102:5
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LL | hash_map = hash_map.into_iter().filter(|(_, v)| v % 2 == 0).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `hash_map.retain(|_, &mut v| v % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:103:5
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LL | / hash_map = hash_map
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LL | | .into_iter()
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LL | | .filter(|(k, v)| (k % 2 == 0) && (v % 2 == 0))
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LL | | .collect();
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| |__________________^ help: consider calling `.retain()` instead: `hash_map.retain(|k, &mut v| (k % 2 == 0) && (v % 2 == 0))`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:124:5
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LL | hash_set = hash_set.into_iter().filter(|x| x % 2 == 0).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `hash_set.retain(|x| x % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:125:5
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LL | hash_set = hash_set.iter().filter(|&x| x % 2 == 0).copied().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `hash_set.retain(|x| x % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:126:5
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LL | hash_set = hash_set.iter().filter(|&x| x % 2 == 0).cloned().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `hash_set.retain(|x| x % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:155:5
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LL | s = s.chars().filter(|&c| c != 'o').to_owned().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `s.retain(|c| c != 'o')`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:167:5
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LL | vec = vec.iter().filter(|&x| x % 2 == 0).copied().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `vec.retain(|x| x % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:168:5
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LL | vec = vec.iter().filter(|&x| x % 2 == 0).cloned().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `vec.retain(|x| x % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:169:5
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LL | vec = vec.into_iter().filter(|x| x % 2 == 0).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `vec.retain(|x| x % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:191:5
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LL | vec_deque = vec_deque.iter().filter(|&x| x % 2 == 0).copied().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `vec_deque.retain(|x| x % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:192:5
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LL | vec_deque = vec_deque.iter().filter(|&x| x % 2 == 0).cloned().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `vec_deque.retain(|x| x % 2 == 0)`
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error: this expression can be written more simply using `.retain()`
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--> $DIR/manual_retain.rs:193:5
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LL | vec_deque = vec_deque.into_iter().filter(|x| x % 2 == 0).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling `.retain()` instead: `vec_deque.retain(|x| x % 2 == 0)`
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error: aborting due to 19 previous errors
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