// +build OMIT// Copyright 2013 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.packagemainimport("fmt")funcmain(){slice:=make([]int,10,15)fmt.Printf("len: %d, cap: %d\n",len(slice),cap(slice))newSlice:=make([]int,len(slice),2*cap(slice))copy(newSlice,slice)slice=newSlicefmt.Printf("len: %d, cap: %d\n",len(slice),cap(slice))}