A complete data structures/collection classes library, memory tracing, memory debugging, entry/exit tracing, exception handling, definable memory handlers, built-in threads support and much more. With:

* Single, Double, and Circular Linked Lists
* AVL Balanced and Threaded Binary Trees
* Dynamic Hashing Tables
* Stacks, Queues and Dequeues (using arrays or linked lists)
* Sets (Pascal implementation, with union, difference, intersection, etc.)
* Bags, Tables and Dictionaries
* Priority Heaps (uses the MemSL multi-dimensional array allocator)
* Priority Search Queue
* Data Handling and User Defined Functions
* Using Multiple MemSL Data Structures to Index the same Data
* Portability
* Memory Tracing/Debugging (C Only)
* Runtime Memory Tracing/Debugging (C Only)
* Definable Memory Handlers (C Only)
* Error/Warning Message Handlers
* Entry/Exit Source Code Tracing/Debugging
* Runtime Entry/Exit Source Code Tracing/Debugging