mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-12-23 05:00:06 +01:00
feat: Introduce multiple Iterator impl for Matches
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commit
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@ -2,6 +2,7 @@ pub mod criterion;
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mod query_builder;
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mod query_builder;
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mod distinct_map;
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mod distinct_map;
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use std::iter::FusedIterator;
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use std::slice::Windows;
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use std::slice::Windows;
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use sdset::SetBuf;
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use sdset::SetBuf;
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@ -82,9 +83,10 @@ pub struct QueryIndexGroups<'a, 'b> {
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windows: Windows<'b, usize>,
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windows: Windows<'b, usize>,
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}
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}
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impl<'a, 'b> Iterator for QueryIndexGroups<'a, 'b> {
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impl<'a> Iterator for QueryIndexGroups<'a, '_> {
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type Item = &'a [Match];
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type Item = &'a [Match];
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#[inline]
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fn next(&mut self) -> Option<Self::Item> {
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fn next(&mut self) -> Option<Self::Item> {
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self.windows.next().map(|range| {
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self.windows.next().map(|range| {
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match *range {
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match *range {
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@ -93,10 +95,56 @@ impl<'a, 'b> Iterator for QueryIndexGroups<'a, 'b> {
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}
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}
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})
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})
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}
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}
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#[inline]
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fn size_hint(&self) -> (usize, Option<usize>) {
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self.windows.size_hint()
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}
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#[inline]
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fn count(self) -> usize {
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self.len()
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}
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#[inline]
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fn nth(&mut self, n: usize) -> Option<Self::Item> {
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self.windows.nth(n).map(|range| {
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match *range {
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[left, right] => &self.matches[left..right],
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_ => unreachable!(),
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}
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})
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}
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#[inline]
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fn last(self) -> Option<Self::Item> {
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let (matches, windows) = (self.matches, self.windows);
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windows.last().map(|range| {
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match *range {
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[left, right] => &matches[left..right],
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_ => unreachable!(),
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}
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})
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}
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}
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}
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// impl ExactSizeIterator for QueryIndexGroups<'_, '_> {
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impl ExactSizeIterator for QueryIndexGroups<'_, '_> {
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// fn len(&self) -> usize {
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#[inline]
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// self.windows.len() // FIXME (+1) ?
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fn len(&self) -> usize {
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// }
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self.windows.len()
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// }
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}
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}
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impl FusedIterator for QueryIndexGroups<'_, '_> { }
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impl DoubleEndedIterator for QueryIndexGroups<'_, '_> {
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#[inline]
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fn next_back(&mut self) -> Option<Self::Item> {
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self.windows.next_back().map(|range| {
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match *range {
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[left, right] => &self.matches[left..right],
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_ => unreachable!(),
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}
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})
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}
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}
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