github.com/spotify/syslog-redirector-golang@v0.0.0-20140320174030-4859f03d829a/blog/content/strings/encoding.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  	"fmt"
     9  	"unicode/utf8"
    10  )
    11  
    12  func main() {
    13  	const nihongo = "日本語"
    14  	for i, w := 0, 0; i < len(nihongo); i += w {
    15  		runeValue, width := utf8.DecodeRuneInString(nihongo[i:])
    16  		fmt.Printf("%#U starts at byte position %d\n", runeValue, i)
    17  		w = width
    18  	}
    19  }