5.4 Cache Table
This module provides a set of caching hash table
functions.
Constructs a cache-table.
(cache-table-lookup! ct id mk) → any/c ct : cache-table? id : symbol? mk : (-> any/c)
Looks up id in ct. If it is not present, then mk is
called to construct the value and add it to ct.
(cache-table-clear! ct) → void? ct : cache-table?
Clears all entries in ct.
(cache-table? v) → boolean? v : any/c
Determines if v is a cache table.