23 lines
468 B
Go
23 lines
468 B
Go
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build !go1.8
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package sort
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import "reflect"
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var reflectValueOf = reflect.ValueOf
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func reflectSwapper(x interface{}) func(int, int) {
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v := reflectValueOf(x)
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tmp := reflect.New(v.Type().Elem()).Elem()
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return func(i, j int) {
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a, b := v.Index(i), v.Index(j)
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tmp.Set(a)
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a.Set(b)
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b.Set(tmp)
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}
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}
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