HTTP Cache API
These functions provide access to what's stored in the cache.
hitCache(key) getCache(key) setCache(key, value)
key
: character, typically a URL or similarvalue
: For setCache
, an R object to set in the cache for key
.hitCache
returns logical whether key
exists in the cache. getCache
returns the value stored in the cache, or NULL
if there is nothing cached. setCache
is called for its side effects.
Useful links