Web Server: HTTP Server
5 Internal APIs
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make-cache-table
cache-table-lookup!
cache-table-clear!
cache-table?
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5.4Cache TableπŸ”— i

(require web-server/private/cache-table )
package: web-server-lib
This module provides a set of caching hash table functions.

Constructs a cache-table.

procedure

( cache-table-lookup! ctidmk)→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.

procedure

( cache-table-clear! ct[entry-idsfinalize])→void?

ct:cache-table?
entry-ids:(or/c false/c (listof symbol? ))=#f
finalize:(-> any/c void? )=void
If entry-ids is #f, clears all entries in ct. Otherwise, clears only the entries with keys in entry-ids. The procedure finalize is invoked on each entry before it is cleared.

Changed in version 1.3 of package web-server-lib: Added optional argument for list of entry keys.
Changed in version 1.3: Added optional argument for finalizer procedure.

procedure

( cache-table? v)→boolean?

v:any/c
Determines if v is a cache table.

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