feat: implement TinyGo support for encode

cache.go

@@ -69,7 +69,7 @@ func newTypeInfo(t reflect.Type) *typeInfo {
 		tInfo.spclType = specialTypeTag
 	} else if t == typeTime {
 		tInfo.spclType = specialTypeTime
-	} else if reflect.PtrTo(t).Implements(typeUnmarshaler) {
+	} else if implements(reflect.PtrTo(t), typeUnmarshaler) {
 		tInfo.spclType = specialTypeUnmarshalerIface
 	}
 

decode.go

@@ -3078,7 +3078,7 @@ func fillFloat(t cborType, val float64, v reflect.Value) error {
 }
 
 func fillByteString(t cborType, val []byte, shared bool, v reflect.Value, bsts ByteStringToStringMode, bum BinaryUnmarshalerMode) error {
-	if bum == BinaryUnmarshalerByteString && reflect.PtrTo(v.Type()).Implements(typeBinaryUnmarshaler) {
+	if bum == BinaryUnmarshalerByteString && implements(reflect.PtrTo(v.Type()), typeBinaryUnmarshaler) {
 		if v.CanAddr() {
 			v = v.Addr()
 			if u, ok := v.Interface().(encoding.BinaryUnmarshaler); ok {

encode.go

@@ -1799,10 +1799,10 @@ func getEncodeFuncInternal(t reflect.Type) (ef encodeFunc, ief isEmptyFunc) {
 	case typeByteString:
 		return encodeMarshalerType, isEmptyString
 	}
-	if reflect.PtrTo(t).Implements(typeMarshaler) {
+	if implements(reflect.PtrTo(t), typeMarshaler) {
 		return encodeMarshalerType, alwaysNotEmpty
 	}
-	if reflect.PtrTo(t).Implements(typeBinaryMarshaler) {
+	if implements(reflect.PtrTo(t), typeBinaryMarshaler) {
 		defer func() {
 			// capture encoding method used for modes that disable BinaryMarshaler
 			bme := binaryMarshalerEncoder{