slice_go14.go

Documentation: sort

     1  // Copyright 2017 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build !go1.8
     6  // +build !go1.8
     7  
     8  package sort
     9  
    10  import "reflect"
    11  
    12  var reflectValueOf = reflect.ValueOf
    13  
    14  func reflectSwapper(x interface{}) func(int, int) {
    15  	v := reflectValueOf(x)
    16  	tmp := reflect.New(v.Type().Elem()).Elem()
    17  	return func(i, j int) {
    18  		a, b := v.Index(i), v.Index(j)
    19  		tmp.Set(a)
    20  		a.Set(b)
    21  		b.Set(tmp)
    22  	}
    23  }
    24
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