// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package utf8_test

import (
	"fmt"
	"unicode/utf8"
)

func ExampleDecodeLastRune() {
	b := []byte("Hello, 世界")

	for len(b) > 0 {
		r, size := utf8.DecodeLastRune(b)
		fmt.Printf("%c %v\n", r, size)

		b = b[:len(b)-size]
	}
	// Output:
	// 界 3
	// 世 3
	//   1