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*new -vs- new

General and Gameplay Programming Programming

Started by sab3156 March 02, 2003 07:14 PM

3 comments, last by sab3156 21 years, 1 month ago

sab3156

109

Author

March 02, 2003 07:14 PM

what is the difference between

*new

and

new

?? i understand by using the

new

will be used as pointer allocation, but is it essentially the same as

*new

Air-Conditioners are like computers. They stop working when you open windows.

smart_idiot

1,298

March 02, 2003 07:55 PM

I imagine that *new would dereference the pointer new returns, and in the process create a memory leak since we have allocated memory with no pointer to delete it with later.

Chess is played by three people. Two people play the game; the third provides moral support for the pawns. The object of the game is to kill your opponent by flinging captured pieces at his head. Since the only piece that can be killed is a pawn, the two armies agree to meet in a pawn-infested area (or even a pawn shop) and kill as many pawns as possible in the crossfire. If the game goes on for an hour, one player may legally attempt to gouge out the other player's eyes with his King.

Fruny

1,658

March 02, 2003 08:19 PM

Unless you''ve taken a reference to it, but that''s still a stupid thing to do :

int& i = *new int;...delete &i

"Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." — Brian W. Kernighan

Anonymous

March 02, 2003 08:43 PM

Not if you use a garbage collector.

Qw3r7yU10p!

819

March 03, 2003 03:54 AM

I guess you''ve seen this somewhere otherwise you wouldn''t be asking. What was the context you saw it in?

  #include <iostream>int main() {    using std::cout;    using std::endl;    int* sheep = new int(5);    cout << "address of sheep " << sheep << endl;    cout << "number of sheep " << *sheep << endl;//  int dog = *new int(1);// memory leak    int* dog = new int(1);    int spit = *dog;    cout << "address of dog " << dog << endl;    cout << "number of dog " << *dog << endl;    cout << "number of spit " << spit << endl;    cout << "address of spit " << &spit << endl;    delete sheep;    delete dog;}

*new -vs- new

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