diff --git a/cmake-build-release/Testing/Temporary/LastTest.log b/cmake-build-release/Testing/Temporary/LastTest.log
index 63eb327..eb0b93a 100644
--- a/cmake-build-release/Testing/Temporary/LastTest.log
+++ b/cmake-build-release/Testing/Temporary/LastTest.log
@@ -1,3 +1,3 @@
-Start testing: Jan 19 15:13 EST
+Start testing: Jan 22 08:33 EST
 ----------------------------------------------------------
-End testing: Jan 19 15:13 EST
+End testing: Jan 22 08:33 EST
diff --git a/include/functions.h b/include/functions.h
index 6614fb0..8553aa7 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -24,12 +24,16 @@
 
 #include <initializer_list>
 #include <vector>
+#include "blt/std/hashmap.h"
+#include "blt/std/types.h"
 
 template<typename T>
 using allowed_funcs = std::vector<T>;
 
 class empty {};
 
+// #define FUNC_DEFINE(NAME, REQUIRED_ARGS, FUNC, ALLOWED)
+
 #define FUNC_ALLOW_ANY std::vector<empty>();
 #define FUNC_ALLOW_NONE std::vector<empty>();
 
@@ -47,6 +51,7 @@ class empty {};
     FUNC_DEFINE(SQRT, 1, void(), allowed_funcs(FUNC_ALLOW_ANY, FUNC_ALLOW_ANY)) \
 
 #undef FUNC_ALLOW_ANY
+#undef FUNC_ALLOW_NONE
 
 #define FUNC_DEFINE(NAME, REQUIRED_ARGS, FUNC, ALLOWED) NAME,
 enum class function_t
@@ -57,9 +62,18 @@ enum class function_t
 
 #define FUNC_DEFINE(NAME, REQUIRED_ARGS, FUNC, ALLOWED) function_t::NAME,
 static inline allowed_funcs<function_t> FUNC_ALLOW_ANY_LIST{FUNC_FUNCTIONS};
+static inline allowed_funcs<function_t> FUNC_ALLOW_NONE_LIST{};
 #define FUNC_ALLOW_ANY FUNC_ALLOW_ANY_LIST
+#define FUNC_ALLOW_NONE FUNC_ALLOW_NONE_LIST
 #undef FUNC_DEFINE
 
+#define FUNC_DEFINE(NAME, REQUIRED_ARGS, FUNC, ALLOWED) {REQUIRED_ARGS, function_t::NAME},
+HASHMAP<blt::u32, function_t> function_arg_map = {
+        FUNC_FUNCTIONS
+};
+#undef FUNC_DEFINE
+
+
 //enum class function_t
 //{
 //    // FUNC     // inputs