1
2
3
4
5
6
7
8
9
10
11
12
13
14
package index
import "strings"import "github.com/webx-top/com"
func reversePrefix(word string, ch byte) string {	index := strings.IndexByte(word, ch)	if index < 0 {		return word	}
	return com.Reverse(word[0:index+1]) + string(word[index+1:])}