| cache_filesystem | Filesystem Cache | 
| cache_gcs | Google Cloud Storage Cache Google Cloud Storage backed cache, for remote caching. | 
| cache_memory | In Memory Cache | 
| cache_s3 | Amazon Web Services S3 Cache Amazon Web Services S3 backed cache, for remote caching. | 
| drop_cache | Drops the cache of a memoised function for particular arguments. | 
| forget | Forget past results. Resets the cache of a memoised function. Use 'drop_cache' to reset the cache only for particular arguments. | 
| has_cache | Test whether a memoised function has been cached for particular arguments. | 
| is.memoised | Test whether a function is a memoised copy. Memoised copies of functions carry an attribute 'memoised = TRUE', which is what 'is.memoised()' tests for. | 
| is.memoized | Test whether a function is a memoised copy. Memoised copies of functions carry an attribute 'memoised = TRUE', which is what 'is.memoised()' tests for. | 
| memoise | Memoise a function | 
| memoize | Memoise a function | 
| timeout | Return a new number after a given number of seconds |