stdexcept.cpp

来自「C语言数值算法程序大全（第二版）,课本文件」· C++ 代码 · 共 23 行

//: C01:StdExcept.cpp
// From "Thinking in C++, 2nd Edition, Volume 2"
// by Bruce Eckel & Chuck Allison, (c) 2003 MindView, Inc.
// Available at www.BruceEckel.com.
// Derives an exception class from std::runtime_error
#include <stdexcept>
#include <iostream>
using namespace std;

class MyError : public runtime_error {
public:
  MyError(const string& msg = "") : runtime_error(msg) {}
};

int main() {
  try {
    throw MyError("my message");
  }
  catch (MyError& x) {
    cout << x.what() << endl;
  }
} ///:~