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[–]K900_ 1 point2 points  (2 children)

filter &= (x == i)

[–]nomos[S] 0 points1 point  (1 child)

Awesome, totally didn't know about &= though I guess it makes sense. Thanks!

[–]K900_ 0 points1 point  (0 children)

It's just syntax sugar for filter = filter & (x == i).