| key_missing {tinycache} | R Documentation |
Key Missing Sentinel
Description
key_missing() returns a sentinel object indicating
that a requested key was not found in a cache. is.key_missing()
tests whether a value is this sentinel. Mirrors
cachem::key_missing() / fastmap::key_missing().
Usage
key_missing()
is.key_missing(x)
Arguments
x |
An object to test. |
Value
key_missing() returns an object of class
"key_missing". is.key_missing() returns TRUE or
FALSE.