💬 Reply by screwtape

@fosskers

(defun eg (x)

(let* ((nos (scan-range))

(fizz-src (series 'fizz))

(buzz-src (series 'buzz))

(by3s (scan-range :from 0 :by 3))

(by5s (Scan-range :from 0 :by 5))

(fizzes (mask by3s))

(buzzes (mask by5s))

(fizz/buzzes (#Mlist (#Mand fizzes fizz-src)

(#Mand buzzes buzz-src))))

(list (collect-nth x (#Mand fizzes fizz-src))

(collect-nth x (#Mand buzzes buzz-src))

(collect-nth x nos))))

Oh if I don't tell it to cons, it's faster than loop.

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