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JReference.cc
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1 
2 #include <iostream>
3 #include <iomanip>
4 
5 #include "JLang/JPointer.hh"
6 #include "JLang/JReference.hh"
7 
8 #include "Jeep/JParser.hh"
9 #include "Jeep/JMessage.hh"
10 
11 
12 /**
13  * \file
14  *
15  * Example program to test JLANG::JReference class.
16  * \author mdejong
17  */
18 int main(int argc, char **argv)
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:1500
int main(int argc, char *argv[])
Definition: Main.cc:15
#define make_field(A,...)
macro to convert parameter to JParserTemplateElement object
Definition: JParser.hh:1961
do $DIR JTransitTime o
Definition: JTransitTime.sh:44
int debug
debug level
Definition: JSirene.cc:63
General purpose messaging.
#define FATAL(A)
Definition: JMessage.hh:67
Utility class to parse command line options.