Null Pointer
Explore the concept of the null pointer in C++ and understand why the nullptr keyword improves code clarity by eliminating ambiguity between integer zero and null pointers. This lesson covers pointer initialization, comparison, and generic programming challenges solved by nullptr.
We'll cover the following...
We'll cover the following...
Before C++11, 0 was often used to represent an empty or null value when the NULL macro was not applicable. The issue with the literal 0 is that it can be the null pointer (void*)0 or the number 0. This is defined by the context.
Therefore, a small program with ...