1 files changed, 30 insertions, 0 deletions
diff --git a/src/openvic-simulation/dataloader/NodeTools.hpp b/src/openvic-simulation/dataloader/NodeTools.hpp
index 1ca6cf0..45e6d4f 100644
--- a/src/openvic-simulation/dataloader/NodeTools.hpp
+++ b/src/openvic-simulation/dataloader/NodeTools.hpp
@@ -7,6 +7,7 @@
 #include <optional>
 #include <set>
 #include <type_traits>
+#include <unordered_set>
 
 #include <openvic-dataloader/v2script/AbstractSyntaxTree.hpp>
 
@@ -320,5 +321,34 @@ namespace OpenVic {
 				return true;
 			};
 		}
+
+		template<typename T, typename U>
+		Callback<T> auto vector_callback(std::vector<U>& vec) {
+			return [&vec](T val) -> bool {
+				vec.emplace_back(std::move(val));
+				return true;
+			};
+		}
+
+		template<typename T>
+		Callback<T> auto vector_callback(std::vector<T>& vec) {
+			return vector_callback<T, T>(vec);
+		}
+
+		template<typename T>
+		Callback<T const&> auto vector_callback_pointer(std::vector<T const*>& vec) {
+			return [&vec](T const& val) -> bool {
+				vec.emplace_back(&val);
+				return true;
+			};
+		}
+
+		template<typename T>
+		Callback<T const&> auto set_callback_pointer(std::unordered_set<T const*>& set) {
+			return [&set](T const& val) -> bool {
+				set.insert(&val);
+				return true;
+			};
+		}
 	}
 }