mirror of
https://github.com/rust-lang/rust-clippy
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119 lines
4.9 KiB
Text
119 lines
4.9 KiB
Text
error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:9:29
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LL | let len = sample.iter().collect::<Vec<_>>().len();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `count()`
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= note: `-D clippy::needless-collect` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::needless_collect)]`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:10:22
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LL | if sample.iter().collect::<Vec<_>>().is_empty() {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:13:28
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LL | sample.iter().cloned().collect::<Vec<_>>().contains(&1);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == 1)`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:18:35
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LL | sample.iter().map(|x| (x, x)).collect::<HashMap<_, _>>().is_empty();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:19:35
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LL | sample.iter().map(|x| (x, x)).collect::<BTreeMap<_, _>>().is_empty();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:26:19
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LL | sample.iter().collect::<LinkedList<_>>().len();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `count()`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:27:19
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LL | sample.iter().collect::<LinkedList<_>>().is_empty();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:28:28
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LL | sample.iter().cloned().collect::<LinkedList<_>>().contains(&1);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == 1)`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:29:19
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LL | sample.iter().collect::<LinkedList<_>>().contains(&&1);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == &1)`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:32:19
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LL | sample.iter().collect::<BinaryHeap<_>>().len();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `count()`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:33:19
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LL | sample.iter().collect::<BinaryHeap<_>>().is_empty();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:38:27
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LL | let _ = sample.iter().collect::<HashSet<_>>().is_empty();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:39:27
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LL | let _ = sample.iter().collect::<HashSet<_>>().contains(&&0);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == &0)`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:61:27
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LL | let _ = sample.iter().collect::<VecWrapper<_>>().is_empty();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:62:27
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LL | let _ = sample.iter().collect::<VecWrapper<_>>().contains(&&0);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == &0)`
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:66:40
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LL | Vec::<u8>::new().extend((0..10).collect::<Vec<_>>());
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| ^^^^^^^^^^^^^^^^^^^^ help: remove this call
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:67:20
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LL | foo((0..10).collect::<Vec<_>>());
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| ^^^^^^^^^^^^^^^^^^^^ help: remove this call
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:68:49
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LL | bar((0..10).collect::<Vec<_>>(), (0..10).collect::<Vec<_>>());
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| ^^^^^^^^^^^^^^^^^^^^ help: remove this call
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error: avoid using `collect()` when not needed
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--> $DIR/needless_collect.rs:69:37
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LL | baz((0..10), (), ('a'..='z').collect::<Vec<_>>())
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| ^^^^^^^^^^^^^^^^^^^^ help: remove this call
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error: aborting due to 19 previous errors
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