These functions provide access to what's stored in the cache.
Usage
hitCache(key)
getCache(key)
setCache(key, value)
Arguments
- key
character, typically a URL or similar
- value
For setCache, an R object to set in the cache for key.
Value
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.