src/work/klao/error2_test.cc
author alpar
Fri, 25 Mar 2005 08:18:27 +0000
changeset 1256 3bb4ed285c39
permissions -rw-r--r--
- src/lemon/utility.h: dummy<> template added
- LpSolverBase::INF is now really defined
- AddColSet() to add several column at once
- using enable_if
- with some doxygen hack
- More doc improvements
- Better Makefile
     1 #include <iostream>
     2 #include <memory>
     3 
     4 #include <boost/shared_ptr.hpp>
     5 
     6 using namespace std;
     7 
     8 class Ex : public exception {
     9 
    10   typedef exception Parent;
    11 
    12   mutable
    13   auto_ptr<string> uz;
    14 public:
    15 
    16   // boost::shared_ptr<string> uz;
    17 
    18   Ex(const Ex &e) : Parent(e), uz(e.uz) {}
    19 
    20   explicit
    21   Ex(const char *msg = 0) {
    22     if( msg ) {
    23       try {
    24 	uz.reset(new string);
    25 	*uz = msg;
    26       }
    27       catch(...) {
    28 	uz.reset();
    29       }
    30     }
    31   }
    32 
    33   virtual
    34   const char* what() const throw() {
    35     if( uz.get() )
    36       return uz->c_str();
    37     return "Kivetel";
    38   }
    39 
    40   virtual ~Ex() throw() {}
    41 };
    42 
    43 static void fn1() {
    44   Ex e("alma");
    45   throw e;
    46 }
    47 
    48 static
    49 void fn2() {
    50   throw Ex("korte");
    51 }
    52 
    53 int main() {
    54   try {
    55     fn1();
    56   }
    57   catch(exception const &e) {
    58     cerr << "Hiba: " << e.what() << endl;
    59   }
    60 
    61   try {
    62     fn2();
    63   }
    64   catch(exception const &e) {
    65     cerr << "Hiba: " << e.what() << endl;
    66   }
    67 
    68 }