chapter10.md

第10章 诊断和调试

• 条件编译

    #ifdef TEST
    	cout << "TEST defined" << endl;
    #else
    	cout << "TeST not defined" << endl;
    #endif
    
    #if TEST < 0
    	cout << "negative " << endl;
    #elif TEST > 0
    	coun << "positive " << endl;
    #else
    	cout << "zero or undefined << " endl;
    #endif
  

• pragma指令

• 添加通知消息

• 调试程序的编译器开关

• 预处理器标识符

• 生成诊断信息

• 断言

C++异常