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JReference.cc File Reference

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

#include <iostream>
#include <iomanip>
#include "JLang/JPointer.hh"
#include "JLang/JReference.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::JReference class.

Author
mdejong

Definition in file JReference.cc.

Function Documentation

int main ( int  argc,
char **  argv 
)

Definition at line 18 of file JReference.cc.

19 {
20  using namespace std;
21 
22  int debug;
23 
24  try {
25 
26  JParser<> zap("Example program to test referencing of objects.");
27 
28  zap['d'] = make_field(debug) = 3;
29 
30  zap(argc, argv);
31  }
32  catch(const exception &error) {
33  FATAL(error.what() << endl);
34  }
35 
36 
37  using namespace JPP;
38 
39  cout << "JPointer <int> p(new int());" << endl;
40 
41  JPointer <int> p(new int());
42 
43  cout << "JReference<int* const> o(p);" << endl;
44 
45  JReference<int* const> o(p);
46 
47  cout << "*p = 123;" << endl;
48 
49  *p = 123;
50 
51  cout << setw(3) << left << "*o" << " == " << setw(3) << left << "*p" << "?" << endl;
52  cout << setw(3) << right << *o << " == " << setw(3) << right << *p << endl;
53 }
Utility class to parse command line options.
Definition: JParser.hh:1410
#define make_field(A,...)
macro to convert parameter to JParserTemplateElement object
Definition: JParser.hh:1836
int debug
debug level
Definition: JSirene.cc:59
#define FATAL(A)
Definition: JMessage.hh:65