《Big C++ 》Third Edition电子书和代码全集-Part1

				#ifndef MESSAGE_H
				#define MESSAGE_H
				
				using namespace std;
				
				#include 
				
				/**
				   A message left by a caller
				*/
				class Message 
				{
				public:
				   /**
				      Construct a message object
				      @param message_text the message text
				   */
				   Message(string message_text);
				
				   /**
				      Get the message text
				      @ return message text
				   */
				   string get_text() const;
				private:
				   string text;
				};
				
				inline Message::Message(string message_text) 
					: text(message_text) { }
				
				inline string Message::get_text() const
				{
				   return text;
				}
				
				#endif