blob: 426ef04b6cd0efae2a99ca59d9723b273a9a79a2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
// +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))
}
|