Function
current
Read a key's current value and version, for use as the precondition of a later swap.
Returns none if the key does not exist.
store.get deliberately omits the version; use this when you intend to do a
version-checked swap.
Read a key's current value and version, for use as the precondition of a later swap.
Returns none if the key does not exist.
store.get deliberately omits the version; use this when you intend to do a
version-checked swap.