Alias for score
NOTE: The argument order is the reverse of add e.g. obj.metrics[VALUE] = SCORE
NOTE: The argument order is the reverse of #[]=
Alias for members
Alias for decrement
Alias for delete
Return the first element in the list. Redis: ZRANGE(0)
Alias for member?
Alias for increment
Return the last element in the list. Redis: ZRANGE(-1)
Alias for size
e.g. obj.metrics.rangebyscore (now-12.hours), now, :limit => [0, 10]
rank of member v when ordered lowest to highest (starts at 0)
rank of member v when ordered highest to lowest (starts at 0)
[Validate]