github.com/xraypb/Xray-core@v1.8.1/common/serial/string.go (about) 1 package serial 2 3 import ( 4 "fmt" 5 "strings" 6 ) 7 8 // ToString serializes an arbitrary value into string. 9 func ToString(v interface{}) string { 10 if v == nil { 11 return "" 12 } 13 14 switch value := v.(type) { 15 case string: 16 return value 17 case *string: 18 return *value 19 case fmt.Stringer: 20 return value.String() 21 case error: 22 return value.Error() 23 default: 24 return fmt.Sprintf("%+v", value) 25 } 26 } 27 28 // Concat concatenates all input into a single string. 29 func Concat(v ...interface{}) string { 30 builder := strings.Builder{} 31 for _, value := range v { 32 builder.WriteString(ToString(value)) 33 } 34 return builder.String() 35 }