memoization
Memoization is a function’s art of self-preservation, remembering past results to avoid the torment of recomputation. A magical scheme to escape endless calculations, yet lurking beneath it lies the dread of an ever-growing cache. Reused values become the crown of honor for functions; for developers, a vanity instrument to showcase their brilliance. It boasts efficiency even as one drowns in a deluge of memory—it is efficiency’s cruel paradox.