const std::string & getName() const 
It returns the function name. 
 
unsigned int getNumArgs() const 
It returns the function arguments number. 
 
It is used to list the function names that are supported and the number of arguments each function re...
 
FunctionName(const char *name, const unsigned int &nArgs)
It initializes a new FunctionName. 
 
~FunctionName()
Destructor.