Runtime Internals: Heap, VMT, and Built-ins | Internals do runtime

This article explains the runtime internals of Delphi, specifically the heap, VMT (Virtual Method Table), and built-ins. The heap is a map of object instances, and the VMT is used for late binding and polymorphism. Built-ins, such as WriteLn and Sin, are handled differently and do not use the VMT. Understanding these concepts is crucial for debugging and optimizing Delphi code.