rack_load.RdDownloads and parses a stored session identified by id from the given
backend. This is a convenience wrapper around rack_download() that
additionally deserialises the JSON payload into an R object.
rack_load(id, backend, ...)A rack_id object identifying the session to load.
A rack backend object (e.g. a pins_board).
Additional arguments forwarded to rack_download().
The deserialised session data as an R object (typically a named list).
rack_save() for the complementary save function,
rack_download() for the underlying download generic.