Fix missing cbor encoder AppendType method

Author: rs

internal/cbor/types.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"math"
 	"net"
+	"reflect"
 )
 
 // AppendNil inserts a 'Nil' object into the dst byte array.
@@ -438,6 +439,14 @@ func (e Encoder) AppendInterface(dst []byte, i interface{}) []byte {
 	return AppendEmbeddedJSON(dst, marshaled)
 }
 
+// AppendType appends the parameter type (as a string) to the input byte slice.
+func (e Encoder) AppendType(dst []byte, i interface{}) []byte {
+	if i == nil {
+		return e.AppendString(dst, "<nil>")
+	}
+	return e.AppendString(dst, reflect.TypeOf(i).String())
+}
+
 // AppendIPAddr encodes and inserts an IP Address (IPv4 or IPv6).
 func (e Encoder) AppendIPAddr(dst []byte, ip net.IP) []byte {
 	dst = append(dst, majorTypeTags|additionalTypeIntUint16)