9.5 Cache Table

(require web-server/private/cache-table)

"private/cache-table.ss" provides a set of caching hash table functions.

(make-cache-table) → cache-table?

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.