What are C++ standard library allocators?

What are C++ standard library allocators?

C++ standard library allocators are objects that handle memory allocation and deallocation for containers.

Can you explain how they work in STL containers?

Sure! Allocators provide a way to abstract memory management, allowing STL containers to use different memory strategies.

What are some common types of allocators?

Common types include the default allocator, custom allocators, and pool allocators, each serving different needs.

How do I create a custom allocator?

To create a custom allocator, you need to define a class that implements specific member functions like allocate and deallocate.