text: #ifndef __MIPA_BUILTINFUNCTIONS_HPP__
  #define __MIPA_BUILTINFUNCTIONS_HPP__
  
  #include "Value.hpp"
  #include <map>
  #include <stack>
  
  namespace mipa{
      typedef Value* (*BuiltInFunction)(std::stack<Value*>&);
      extern const std::map<std::string, BuiltInFunction> BuiltInFunctions;
  }
  
  #endif