yes, it’s two nots.
!!a is 1 if a is non-zero and 0 if a is 0
You can think of !! as clamping, as it were, to {0,1}. I personally find the usage a bad attempt to appear fancy.
yes, it’s two nots.
!!a is 1 if a is non-zero and 0 if a is 0
You can think of !! as clamping, as it were, to {0,1}. I personally find the usage a bad attempt to appear fancy.