/usr/lib/s9fes/help/merge is in scheme9 2010.11.13-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | S9 LIB (merge procedure^2 list1 list2) ==> list
Merge the members of two list into one. The next member to be
pushed to the output list will always be the one satisfying
(procedure^2 (car list1) (car list2))
The list moved to the output is removed from the input list.
When one list is empty, input will be taken from the other
one.
When both LIST1 and LIST2 are sorted under PROCEDURE^2, so
will be the output. When a single-element list is merged with
a sorted list, the single element will be inserted at such a
position that the order of the other list is preserved.
(merge < '(1 3 5) '(2 4 6)) ==> (1 2 3 4 5 6)
(merge < '(1 5 3) '(2 4 6)) ==> (1 2 5 3 4 6)
(merge < '(3) '(1 2 4 5)) ==> (1 2 3 4 5)
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