trace.h

Think in C++ 第二版源码

//: C26:Trace.h
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Creating a trace file
#ifndef TRACE_H
#define TRACE_H
#include <fstream>

#ifdef TRACEON
ofstream TRACEFILE__("TRACE.OUT");
#define cout TRACEFILE__
#endif

#endif // TRACE_H ///:~