Quick tutorial on runtime exceptions in C++

zexcept.cpp

#include <iostream>
#include <stdexcept>


class ZrakeFailed : public std::runtime_error
{
public:
  ZrakeFailed(const std::string &msg) : std::runtime_error("zraker failed. " + msg) { }
} ;

class BhaskarFailed : public std::runtime_error
{
public:
  BhaskarFailed(const std::string &msg) : std::runtime_error("bhaskar failed. " + msg) { }
} ;


int main()
{
  try {
    throw ZrakeFailed("yoga anyone?");
    throw BhaskarFailed("beer anyone?");
  }
  catch (const ZrakeFailed &e) {
    std::cout << "ugh. knee?" << std::endl;
    std::cout << e.what() << std::endl;
  }
  catch (const std::exception &e) {
    std::cout << e.what() << std::endl;
  }

  return 0;
}