JTuple.cc

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#include <iostream>
#include <iomanip>
 
#include "JTools/JTuple.hh"
 
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
 
/**
 * \file
 *
 * Example program to test JTOOLS::JTuple class.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
 
  int          debug;
 
  try {
 
    JParser<> zap("Example program to test tuple class.");
 
    zap['d'] = make_field(debug)   = 3;
 
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }
 
 
  using namespace JPP;
 
  {
    typedef JTYPELIST<int, int, double>::typelist  typelist;
    
    JTuple<typelist> A(+1, +2, +0.9999);
    JTuple<typelist> B(-A);
  
    cout << A.first         << endl;
    cout << A.second.first  << endl;
    cout << A.second.second << endl;
 
    cout << "A     =  " << showpos   <<  A  << endl;
    cout << "B     =  " << showpos   <<  B  << endl;
    cout << "A + B =  " << noshowpos << A+B << endl;
 
    cout << "A == A ? " << (A == A) << endl;
    cout << "A == B ? " << (A == B) << endl;
  }
 
  { 
    typedef JTYPELIST<string, int>::typelist  typelist;
 
    JTuple<typelist> A;
    JTuple<typelist> B;
 
    A.first  = "aap";
    A.second = 1234;
 
    B.first  = "noot";
    B.second = -A.second;
 
    cout << "A     =  " <<  A  << endl;
    cout << "B     =  " <<  B  << endl;
    cout << "A + B =  " << A+B << endl;   // uses std::string operator::+=() 
    cout << "A == A ? " << (A == A) << endl;
    cout << "A == B ? " << (A == B) << endl;
  }
 
  {
    cout << JPP::make_tuple(1, string("aap"), 0.99) << endl;
  }
}