What is the C++ standard allocator?

Can you explain what the C++ standard allocator is?

The C++ standard allocator is a template class that defines how memory is allocated and deallocated for containers.

How does it differ from custom allocators?

Custom allocators allow developers to define their own memory management strategies, while the standard allocator uses default behavior.

When should I use a custom allocator?

You might use a custom allocator when you need specific memory management features, like pooling or tracking allocations.

Can you give an example of a custom allocator?

Sure! A simple custom allocator could manage memory in fixed-size blocks to improve performance for certain workloads.