int *myPointer = 0 (What's the point of this pointer?)
Jun 5, 2013 at 11:32pm
It's a way to initialize a pointer so that it doesn't contain junk (and so you don't try to access memory that's not allocated for your program).
If you don't give it a value, it will have whatever value was in the memory before it. In C++11, a keyword "nullptr" was added:
This just means it points to nothing.
More here: http://www.cprogramming.com/c++11/c++11-nullptr-strongly-typed-enum-class.html
If you don't give it a value, it will have whatever value was in the memory before it. In C++11, a keyword "nullptr" was added:
int* myPointer = nullptr;This just means it points to nothing.
More here: http://www.cprogramming.com/c++11/c++11-nullptr-strongly-typed-enum-class.html
Last edited on Jun 5, 2013 at 11:37pm
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