feat: add 'mac' primitive for 'net.HardwareAddr' (MAC)

conv/decode.go

@@ -1,6 +1,7 @@
 package conv
 
 import (
+	"net"
 	"net/netip"
 	"net/url"
 	"strconv"
@@ -126,6 +127,10 @@ func ToUUID(s string) (uuid.UUID, error) {
 	return uuid.Parse(s)
 }
 
+func ToMAC(s string) (net.HardwareAddr, error) {
+	return net.ParseMAC(s)
+}
+
 func ToAddr(s string) (netip.Addr, error) {
 	return netip.ParseAddr(s)
 }
@@ -245,3 +250,7 @@ func ToBoolArray(a []string) ([]bool, error) {
 func ToUUIDArray(a []string) ([]uuid.UUID, error) {
 	return decodeArray(a, ToUUID)
 }
+
+func ToMACArray(a []string) ([]net.HardwareAddr, error) {
+	return decodeArray(a, ToMAC)
+}

conv/encode.go

@@ -1,6 +1,7 @@
 package conv
 
 import (
+	"net"
 	"net/netip"
 	"net/url"
 	"strconv"
@@ -42,6 +43,8 @@ func DurationToString(v time.Duration) string { return v.String() }
 
 func UUIDToString(v uuid.UUID) string { return v.String() }
 
+func MACToString(v net.HardwareAddr) string { return v.String() }
+
 func AddrToString(v netip.Addr) string { return v.String() }
 
 func URLToString(v url.URL) string { return v.String() }
@@ -104,3 +107,7 @@ func BoolArrayToString(vs []bool) []string {
 func UUIDArrayToString(vs []uuid.UUID) []string {
 	return encodeArray(vs, UUIDToString)
 }
+
+func MACArrayToString(vs []net.HardwareAddr) []string {
+	return encodeArray(vs, MACToString)
+}