Added String methods for types (#140)

* Added String methods for types

* Reverted change on bsdp.OptionCode

1 files changed, 4 insertions, 4 deletions

diff --git a/dhcpv4/option_parameter_request_list.go b/dhcpv4/option_parameter_request_list.go
index 324832e..865b2d7 100644
--- a/dhcpv4/option_parameter_request_list.go
+++ b/dhcpv4/option_parameter_request_list.go
@@ -53,11 +53,11 @@ func (o *OptParameterRequestList) ToBytes() []byte {
 func (o *OptParameterRequestList) String() string {
 	var optNames []string
 	for _, ro := range o.RequestedOpts {
-		if name, ok := OptionCodeToString[ro]; ok {
-			optNames = append(optNames, name)
-		} else {
-			optNames = append(optNames, fmt.Sprintf("Unknown (%v)", ro))
+		name := ro.String()
+		if name == "Unknown" {
+			name += fmt.Sprintf("%s (%v)", name, ro)
 		}
+		optNames = append(optNames, name)
 	}
 	return fmt.Sprintf("Parameter Request List -> [%v]", strings.Join(optNames, ", "))
 }