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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !compiler_bootstrap go1.8
package sort
import "reflect"
// Slice sorts the provided slice given the provided less function.
//
// The sort is not guaranteed to be stable. For a stable sort, use
// SliceStable.
//
// The function panics if the provided interface is not a slice.
func Slice(slice interface{}, less func(i, j int) bool) {
rv := reflect.ValueOf(slice)
swap := reflect.Swapper(slice)
length := rv.Len()
quickSort_func(lessSwap{less, swap}, 0, length, maxDepth(length))
}
// SliceStable sorts the provided slice given the provided less
// function while keeping the original order of equal elements.
//
// The function panics if the provided interface is not a slice.
func SliceStable(slice interface{}, less func(i, j int) bool) {
rv := reflect.ValueOf(slice)
swap := reflect.Swapper(slice)
stable_func(lessSwap{less, swap}, rv.Len())
}
// SliceIsSorted tests whether a slice is sorted.
//
// The function panics if the provided interface is not a slice.
func SliceIsSorted(slice interface{}, less func(i, j int) bool) bool {
rv := reflect.ValueOf(slice)
n := rv.Len()
for i := n - 1; i > 0; i-- {
if less(i, i-1) {
return false
}
}
return true
}
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