mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-30 06:53:27 +00:00
246 lines
8.6 KiB
Text
246 lines
8.6 KiB
Text
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:8:39
|
|
|
|
|
LL | let indirect_iter = sample.iter().collect::<Vec<_>>();
|
|
| ^^^^^^^
|
|
LL | indirect_iter.into_iter().map(|x| (x, x + 1)).collect::<HashMap<_, _>>();
|
|
| ------------------------- the iterator could be used here instead
|
|
|
|
|
= note: `-D clippy::needless-collect` implied by `-D warnings`
|
|
help: use the original Iterator instead of collecting it and then producing a new one
|
|
|
|
|
LL ~
|
|
LL ~ sample.iter().map(|x| (x, x + 1)).collect::<HashMap<_, _>>();
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:10:38
|
|
|
|
|
LL | let indirect_len = sample.iter().collect::<VecDeque<_>>();
|
|
| ^^^^^^^
|
|
LL | indirect_len.len();
|
|
| ------------------ the iterator could be used here instead
|
|
|
|
|
help: take the original Iterator's count instead of collecting it and finding the length
|
|
|
|
|
LL ~
|
|
LL ~ sample.iter().count();
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:12:40
|
|
|
|
|
LL | let indirect_empty = sample.iter().collect::<VecDeque<_>>();
|
|
| ^^^^^^^
|
|
LL | indirect_empty.is_empty();
|
|
| ------------------------- the iterator could be used here instead
|
|
|
|
|
help: check if the original Iterator has anything instead of collecting it and seeing if it's empty
|
|
|
|
|
LL ~
|
|
LL ~ sample.iter().next().is_none();
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:14:43
|
|
|
|
|
LL | let indirect_contains = sample.iter().collect::<VecDeque<_>>();
|
|
| ^^^^^^^
|
|
LL | indirect_contains.contains(&&5);
|
|
| ------------------------------- the iterator could be used here instead
|
|
|
|
|
help: check if the original Iterator contains an element instead of collecting then checking
|
|
|
|
|
LL ~
|
|
LL ~ sample.iter().any(|x| x == &5);
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:26:48
|
|
|
|
|
LL | let non_copy_contains = sample.into_iter().collect::<Vec<_>>();
|
|
| ^^^^^^^
|
|
LL | non_copy_contains.contains(&a);
|
|
| ------------------------------ the iterator could be used here instead
|
|
|
|
|
help: check if the original Iterator contains an element instead of collecting then checking
|
|
|
|
|
LL ~
|
|
LL ~ sample.into_iter().any(|x| x == a);
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:55:51
|
|
|
|
|
LL | let buffer: Vec<&str> = string.split('/').collect();
|
|
| ^^^^^^^
|
|
LL | buffer.len()
|
|
| ------------ the iterator could be used here instead
|
|
|
|
|
help: take the original Iterator's count instead of collecting it and finding the length
|
|
|
|
|
LL ~
|
|
LL ~ string.split('/').count()
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:60:55
|
|
|
|
|
LL | let indirect_len: VecDeque<_> = sample.iter().collect();
|
|
| ^^^^^^^
|
|
LL | indirect_len.len()
|
|
| ------------------ the iterator could be used here instead
|
|
|
|
|
help: take the original Iterator's count instead of collecting it and finding the length
|
|
|
|
|
LL ~
|
|
LL ~ sample.iter().count()
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:65:57
|
|
|
|
|
LL | let indirect_len: LinkedList<_> = sample.iter().collect();
|
|
| ^^^^^^^
|
|
LL | indirect_len.len()
|
|
| ------------------ the iterator could be used here instead
|
|
|
|
|
help: take the original Iterator's count instead of collecting it and finding the length
|
|
|
|
|
LL ~
|
|
LL ~ sample.iter().count()
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:70:57
|
|
|
|
|
LL | let indirect_len: BinaryHeap<_> = sample.iter().collect();
|
|
| ^^^^^^^
|
|
LL | indirect_len.len()
|
|
| ------------------ the iterator could be used here instead
|
|
|
|
|
help: take the original Iterator's count instead of collecting it and finding the length
|
|
|
|
|
LL ~
|
|
LL ~ sample.iter().count()
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:130:59
|
|
|
|
|
LL | let y: Vec<usize> = vec.iter().map(|k| k * k).collect();
|
|
| ^^^^^^^
|
|
...
|
|
LL | y.contains(&i);
|
|
| -------------- the iterator could be used here instead
|
|
|
|
|
help: check if the original Iterator contains an element instead of collecting then checking
|
|
|
|
|
LL ~
|
|
LL | let z: Vec<usize> = vec.iter().map(|k| k * k).collect();
|
|
LL | // Do lint
|
|
LL ~ vec.iter().map(|k| k * k).any(|x| x == i);
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:155:59
|
|
|
|
|
LL | let y: Vec<usize> = vec.iter().map(|k| k * k).collect();
|
|
| ^^^^^^^
|
|
...
|
|
LL | y.contains(&n);
|
|
| -------------- the iterator could be used here instead
|
|
|
|
|
help: check if the original Iterator contains an element instead of collecting then checking
|
|
|
|
|
LL ~
|
|
LL | let z: Vec<usize> = vec.iter().map(|k| k * k).collect();
|
|
LL | // Do lint
|
|
LL ~ vec.iter().map(|k| k * k).any(|x| x == n);
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:184:63
|
|
|
|
|
LL | let y: Vec<usize> = vec.iter().map(|k| k * k).collect();
|
|
| ^^^^^^^
|
|
...
|
|
LL | y.contains(&n);
|
|
| -------------- the iterator could be used here instead
|
|
|
|
|
help: check if the original Iterator contains an element instead of collecting then checking
|
|
|
|
|
LL ~
|
|
LL | let z: Vec<usize> = vec.iter().map(|k| k * k).collect();
|
|
LL | // Do lint
|
|
LL ~ vec.iter().map(|k| k * k).any(|x| x == n);
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:220:59
|
|
|
|
|
LL | let y: Vec<usize> = vec.iter().map(|k| k * k).collect();
|
|
| ^^^^^^^
|
|
...
|
|
LL | y.contains(&n);
|
|
| -------------- the iterator could be used here instead
|
|
|
|
|
help: check if the original Iterator contains an element instead of collecting then checking
|
|
|
|
|
LL ~
|
|
LL | let z: Vec<usize> = vec.iter().map(|k| k * k).collect();
|
|
LL | if n < 2 {
|
|
LL | // Do lint
|
|
LL ~ vec.iter().map(|k| k * k).any(|x| x == n);
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:245:26
|
|
|
|
|
LL | let w = v.iter().collect::<Vec<_>>();
|
|
| ^^^^^^^
|
|
LL | // Do lint
|
|
LL | for _ in 0..w.len() {
|
|
| ------- the iterator could be used here instead
|
|
|
|
|
help: take the original Iterator's count instead of collecting it and finding the length
|
|
|
|
|
LL ~
|
|
LL | // Do lint
|
|
LL ~ for _ in 0..v.iter().count() {
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:267:30
|
|
|
|
|
LL | let mut w = v.iter().collect::<Vec<_>>();
|
|
| ^^^^^^^
|
|
LL | // Do lint
|
|
LL | while 1 == w.len() {
|
|
| ------- the iterator could be used here instead
|
|
|
|
|
help: take the original Iterator's count instead of collecting it and finding the length
|
|
|
|
|
LL ~
|
|
LL | // Do lint
|
|
LL ~ while 1 == v.iter().count() {
|
|
|
|
|
|
|
error: avoid using `collect()` when not needed
|
|
--> $DIR/needless_collect_indirect.rs:289:30
|
|
|
|
|
LL | let mut w = v.iter().collect::<Vec<_>>();
|
|
| ^^^^^^^
|
|
LL | // Do lint
|
|
LL | while let Some(i) = Some(w.len()) {
|
|
| ------- the iterator could be used here instead
|
|
|
|
|
help: take the original Iterator's count instead of collecting it and finding the length
|
|
|
|
|
LL ~
|
|
LL | // Do lint
|
|
LL ~ while let Some(i) = Some(v.iter().count()) {
|
|
|
|
|
|
|
error: aborting due to 16 previous errors
|
|
|