add method to deserialize Features

imms-go/imms.go

@@ -31,6 +31,11 @@ type Features struct {
 	ptr C.imms_features_t
 }
 
+func NewFeaturesFromData(data []byte) *Features {
+	bufPtr := (*C.char)(unsafe.Pointer(&data[0]))
+	return &Features{C.imms_features_from_data(bufPtr, C.int(len(data)))}
+}
+
 func (f *Features) Data() []byte {
 	n := C.imms_features_data_size()
 	buf := make([]byte, n)