23 lines
960 B
Text
23 lines
960 B
Text
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error: you are collecting an iterator to check its length
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--> $DIR/needless_collect.rs:5:15
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5 | let len = sample.iter().collect::<Vec<_>>().len();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider replacing with: `sample.iter().count()`
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= note: `-D needless-collect` implied by `-D warnings`
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error: you are collecting an iterator to check if it is empty
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--> $DIR/needless_collect.rs:6:8
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6 | if sample.iter().collect::<Vec<_>>().is_empty() {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider replacing with: `sample.iter().any(|_| true)`
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error: you are collecting an iterator to check if contains an element
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--> $DIR/needless_collect.rs:9:5
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9 | sample.iter().cloned().collect::<Vec<_>>().contains(&1);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider replacing with: `sample.iter().cloned().any(|&x| x == 1)`
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error: aborting due to 3 previous errors
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