refactor

src/typedefs.h

@@ -3,10 +3,19 @@
 
 #include <stdlib.h>
 #include <stdint.h>
+#include <variant>
+
+
+/// @brief dynamic integer type (64 bit signed integer)
+using integer_t = int64_t;
+/// @brief dynamic floating-point type (64 bit floating point)
+using number_t = double;
+/// @brief dynamic numeric types union (integer and floating-point)
+using number_u = std::variant<integer_t, number_t>;
 
 using uint = unsigned int;
 
-// use for bytes arrays
+/// @brief use for bytes arrays
 using ubyte = uint8_t;
 
 // content indices