I define a void pointer p, a class A
I want p can point to the member in the A. How can I do it?
void A::*p; //wrong when complie. :(
I hope can do this:
When writing generic code, using template meta-programming techniques, it is sometimes useful to know if a type is convertible to another type. A good example of when this might be is if you are writing diagnostic instrumentation for code to generat…
This article shows you how to optimize memory allocations in C++ using placement new. Applicable especially to usecases dealing with creation of large number of objects.
A brief on problem:
Lets take example problem for simplicity:
- I have a G…