Create a Redis API object. This function is designed to be used from other packages, and not designed to be used directly by users.
redis_api(x, version = NULL)
An object that defines at least the function
command
capable of processing commands in the appropriate
form.
Version of the Redis API to generate. If given as
a numeric version (or something that can be coerced into one.
If given as TRUE
, then we query the Redis server for its
version and generate only commands supported by the server.