t_dyn.cpp

#include <iostream>

#define _COUT(...) { cout << __VA_ARGS__; } while (0)
#ifndef DOCOUT
#define COUT(...) _COUT("\t"<<__VA_ARGS__)
#define TRACE(...) _COUT(#__VA_ARGS__<<endl);__VA_ARGS__
#else
#define COUT(...)
#define TRACE(...) __VA_ARGS__
#endif


using std::cout;
using std::endl;

class X {
	int x;
public:
	//X(int v=-1): x(v) { cout << this<<" init "<<v<<endl;};
	X(int v=-1): x(v) { COUT(this<<" init "<<v<<endl);};
#if ! defined( DOCOUT ) && defined(NODEF_EMPTY)
#else
	~X() { COUT(this<<"("<<x<<") destroy"<<endl);};
#endif
	X(const X& y) { COUT(this<<" copy from "<<&y<<" ("<<y.x<<")"<<endl);x=y.x;};
	X(const X&& y) { COUT(this<<" z from "<<&y<<" ("<<y.x<<")"<<endl);x=y.x;};
	X& operator=(const X& y) { COUT(this<<" assigning from "<<&y<<" ("<<y.x<<")"<<endl);x=y.x; return *this;};
};

X z(const int n=56) {
	X ret=n;
	return ret;
	//return n;
	//return X(X(X(X(X(X(ret))))));
}

X& leak(const int n=352) {
	X& ret=*new X(n);
	return ret;
}

int main() {
TRACE(X a,b,c=5;)
TRACE(b=10;)
TRACE(X d=z(60);)
TRACE(X f=d;)
TRACE(d=z(70);)
TRACE(b=c;)
TRACE(b=leak(100);)
TRACE(X e=leak(110);)
 cout <<"END"<<endl;
 return 0;
}