R.MAX / R64.MAX

Returns the largest set bit.


Syntax	`R.MAX key`
64-bit	`R64.MAX key`
Time complexity	O(1)

Arguments

key — the bitmap key

Reply

Integer; −1 for a missing or empty bitmap. 64-bit values above 2⁶³−1 are replied as decimal strings.

Example

bash

127.0.0.1:6379> R.MAX k
(integer) 30