sselect:
description:
sselect[k1, k2] seq
select the k1'th to the k2'th elements from the given sequence
indices start from 1, not 0
also, final element has index -1, 2nd last element -2, and so on.
examples:
sselect[2, 4] ssplit |abcdefg>
|b> . |c> . |d>
sselect[-3, -1] ssplit |abcdefg>
|e> . |f> . |g>
see also:
select
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