| // +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. | |
| package main | |
| import ( | |
| "fmt" | |
| ) | |
| var buffer [256]byte | |
| var slice []byte = buffer[100:150] | |
| func PtrSubtractOneFromLength(slicePtr *[]byte) { | |
| slice := *slicePtr | |
| *slicePtr = slice[0 : len(slice)-1] | |
| } | |
| func main() { | |
| fmt.Println("Before: len(slice) =", len(slice)) | |
| PtrSubtractOneFromLength(&slice) | |
| fmt.Println("After: len(slice) =", len(slice)) | |
| } |