chickadee » transducers » flatten-range

A transducer that flattens any ranges found in the transduction.

 
(import transducers)

(transduce list-fold
           flatten-range
           (collect-list)
           (list (range 0 3)
                 (range 5 10)
                 (range 14 16)))

; => (0 1 2 5 6 7 8 9 14 15)