JTypeList.cc File Reference

Example program to test JLANG::JTypeList class. More...

#include <iostream>
#include <iomanip>
#include <typeinfo>
#include "JLang/JType.hh"
#include "JLang/JTypeList.hh"
#include "JLang/JConversion.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

Go to the source code of this file.

Functions
int	main (int argc, char **argv)

Detailed Description

Example program to test JLANG::JTypeList class.

Author

mdejong

Definition in file JTypeList.cc.

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 53 of file JTypeList.cc.

{
  using namespace std;

  int          debug;

  try {

    JParser<> zap("Example program to test type lists.");

    zap['d'] = make_field(debug)   = 3;

    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }

  using namespace JPP;

  typedef JTYPELIST<char,
                    short>::typelist          removal;

  typedef JTYPELIST<char,
                    short,
                    int,
                    float,
                    double>::typelist         typelist;
  
  const int N = 30;

  cout << setw(N) << left << "typelist"       << JType<typelist>() << endl;
  cout << setw(N) << left << "removal list"   << JType<removal> () << endl;
  cout << setw(N) << left << "index of char"  << JIndexOf<typelist,char> ::value << endl;
  cout << setw(N) << left << "index of float" << JIndexOf<typelist,float>::value << endl;
  
  cout << setw(N) << left << "typelist w/o char"         << JType<JRemove<typelist, char>   ::typelist>() << endl;
  cout << setw(N) << left << "typelist w/o int"          << JType<JRemove<typelist, int>    ::typelist>() << endl;
  cout << setw(N) << left << "typelist w/o removal list" << JType<JRemove<typelist, removal>::typelist>() << endl;
  cout << setw(N) << left << "removal list w int"        << JType<JAppend<removal, int>     ::typelist>() << endl;
  cout << setw(N) << left << "removal list w typelist"   << JType<JAppend<removal, typelist>::typelist>() << endl;

  cout << "Length of typelist  " << JLength<typelist>::value << endl;
  cout << "Type at 0 is char   " << JConversion<char,      JTypeAt<typelist, 0, false>::value_type>::is_same << endl;
  cout << "Type at 4 is double " << JConversion<double,    JTypeAt<typelist, 4, false>::value_type>::is_same << endl;
  cout << "Type at 5 is null   " << JConversion<JNullType, JTypeAt<typelist, 5, false>::value_type>::is_same << endl;
  //cout << "Type at 5 is null   " << JConversion<JNullType, JTypeAt<typelist, 5, true> ::value_type>::is_same << endl;
}