XPost: comp.lang.scheme

Software Scavenger wrote:

LOOP is powerful, general, and standard. E.g.

CL-USER 5 > (loop as i below 5 collect i collect (* i 2))
(0 0 1 2 2 4 3 6 4 8)

Gauche Scheme

(use srfi-42) ; append-ec

(append-ec (: i 5) (list i (* i 2)))

(0 0 1 2 2 4 3 6 4 8)

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