github.com/spotify/syslog-redirector-golang@v0.0.0-20140320174030-4859f03d829a/blog/content/slices/prog040.go (about)

     1  // Copyright 2013 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  package main
     6  
     7  import (
     8  	"bytes"
     9  	"fmt"
    10  )
    11  
    12  type path []byte
    13  
    14  func (p *path) TruncateAtFinalSlash() {
    15  	i := bytes.LastIndex(*p, []byte("/"))
    16  	if i >= 0 {
    17  		*p = (*p)[0:i]
    18  	}
    19  }
    20  
    21  func main() {
    22  	pathName := path("/usr/bin/tso") // Conversion from string to path.
    23  	pathName.TruncateAtFinalSlash()
    24  	fmt.Printf("%s\n", pathName)
    25  }