mirror of
https://github.com/emirpasic/gods
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53 lines
1.9 KiB
Go
53 lines
1.9 KiB
Go
/*
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Copyright (c) 2015, Emir Pasic
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// Util methods for sorting a slice of values with respect to the comparator
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package utils
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import "sort"
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// Sort sorts values (in-place)
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// Uses Go's sort (hybrid of quicksort for large and then insertion sort for smaller slices)
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func Sort(values []interface{}, comparator Comparator) {
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sort.Sort(sortable{values, comparator})
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}
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type sortable struct {
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values []interface{}
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comparator Comparator
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}
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func (s sortable) Len() int {
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return len(s.values)
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}
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func (s sortable) Swap(i, j int) {
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s.values[i], s.values[j] = s.values[j], s.values[i]
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}
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func (s sortable) Less(i, j int) bool {
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return s.comparator(s.values[i], s.values[j]) < 0
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}
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