39 lines
1.2 KiB
Rust
39 lines
1.2 KiB
Rust
// aux-build:option_helpers.rs
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extern crate option_helpers;
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use option_helpers::IteratorFalsePositives;
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#[warn(clippy::search_is_some)]
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#[rustfmt::skip]
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fn main() {
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let v = vec![3, 2, 1, 0, -1, -2, -3];
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let y = &&42;
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// Check `find().is_some()`, multi-line case.
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let _ = v.iter().find(|&x| {
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*x < 0
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}
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).is_some();
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// Check `position().is_some()`, multi-line case.
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let _ = v.iter().position(|&x| {
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x < 0
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}
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).is_some();
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// Check `rposition().is_some()`, multi-line case.
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let _ = v.iter().rposition(|&x| {
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x < 0
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}
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).is_some();
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// Check that we don't lint if the caller is not an `Iterator` or string
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let falsepos = IteratorFalsePositives { foo: 0 };
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let _ = falsepos.find().is_some();
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let _ = falsepos.position().is_some();
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let _ = falsepos.rposition().is_some();
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// check that we don't lint if `find()` is called with
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// `Pattern` that is not a string
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let _ = "hello world".find(|c: char| c == 'o' || c == 'l').is_some();
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}
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