1 files changed, 17 insertions, 0 deletions
diff --git a/src/jsonable.h b/src/jsonable.h
index 7411efa..01c720b 100644
--- a/src/jsonable.h
+++ b/src/jsonable.h
@@ -1,5 +1,7 @@
 #pragma once
 #include "json.hpp"
+#include <memory>
+#include <vector>
 
 class Jsonable {
     public:
@@ -7,3 +9,18 @@ class Jsonable {
         operator nlohmann::json() const {return toJson();}
         virtual ~Jsonable() {}
 };
+
+namespace nlohmann {
+    template <typename T> struct adl_serializer<std::shared_ptr<T>> {
+        static void to_json(json& j, const std::shared_ptr<T>& opt) {
+            if(opt) {
+                j = *opt;
+            } else {
+                j = nullptr;
+            }
+        }
+        static void from_json(const json& j, std::shared_ptr<T>& opt) {
+            opt = std::shared_ptr<T>(T::create(j));
+        }
+    };
+}