func TagValueToString()

in pkg/xcontext/metrics/prometheus/metrics.go [418:456]

• 38 lines of code
• 14 McCabe index (conditional complexity)

func TagValueToString(vI interface{}) string {
	switch v := vI.(type) {
	case int:
		r := getPrebakedString(int32(v))
		if len(r) != 0 {
			return r
		}
		return strconv.FormatInt(int64(v), 10)
	case uint64:
		r := getPrebakedString(int32(v))
		if len(r) != 0 {
			return r
		}
		return strconv.FormatUint(v, 10)
	case int64:
		r := getPrebakedString(int32(v))
		if len(r) != 0 {
			return r
		}
		return strconv.FormatInt(v, 10)
	case string:
		return strings.Replace(v, ",", "_", -1)
	case bool:
		switch v {
		case true:
			return "true"
		case false:
			return "false"
		}
	case []byte:
		return string(v)
	case nil:
		return "null"
	case interface{ String() string }:
		return strings.Replace(v.String(), ",", "_", -1)
	}

	return "<unknown_type>"
}