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18 lines
334 B
18 lines
334 B
5 years ago
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pub trait TryRemove {
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type Item;
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fn try_remove(&mut self, index: usize) -> Option<Self::Item>;
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}
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impl<T> TryRemove for Vec<T> {
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type Item = T;
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fn try_remove(&mut self, index: usize) -> Option<T> {
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if self.is_empty() {
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None
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} else {
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Some(self.remove(index))
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}
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}
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}
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