rLast

rLast is a term that appears in discussions related to programming and data structures, often within the context of a last-in, first-out (LIFO) principle. It signifies the most recently added element to a data structure that operates on this LIFO mechanism. Common examples of such structures include stacks. When an element is "pushed" onto a stack, it becomes the new rLast. Conversely, when an element is "popped" from a stack, the rLast element is removed and returned. The concept of rLast is fundamental to understanding how stacks manage data and are utilized in various algorithms, such as function call management, expression evaluation, and undo/redo functionalities. While the term "rLast" itself might not be a formal, universally adopted technical term in all programming languages or contexts, it effectively communicates the idea of the top or most recent item in a LIFO system. Understanding what rLast represents is key to comprehending the behavior of stack-based operations.