The chart shows a ranking of common undefined behaviors for C/C++. Signed integer ... UB occurs if a local variable, pointer, array, or structure is used before initialization.

In part 4 of this series on the C++ Core Guidelines ... through the initialization process? Even so, you'll often see one variable initialized from another, for example FullName being initialized from ...

Here is the code to dynamically allocate an array and initialize the fourth element: Again, assigning NULL to the pointer after deallocation is just good programming practice. Another option for ...

Let's say I have a class of non-trivial size called MyClass I also have an array of MyClass objects ... or have add return a pointer to the new element so that the caller can execute placement ...