직렬화 함수 작성 끝

include/utils/snowflake.h

@@ -16,6 +16,13 @@ struct Snowflake {
   bool operator==(const Snowflake& other) const {
     return snowflake == other.snowflake;
   }
+
+  std::vector<char> Serialize() {
+    std::vector<char> serialized;
+    serialized.insert(serialized.end(), &snowflake,
+                      &snowflake + sizeof(std::uint64_t));
+    return serialized;
+  }
 };
 
 Snowflake GenerateID();