The standard library memoize package implements a simple memoization facility.
(Memoization defers evaluation of a function until its result is actually needed, then transparently stores and re-uses the return result thereafter.)
The memoize package implements the Memoize api.
The memoize package source code is in src/lib/std/memoize.pkg.
The above information is manually maintained and may contain errors.
Memoize