function
boot.janet on line 904, column 1
(accumulate2 f ind)
The 2-argument version of `accumulate` that does not take an
initialization value. The first value in `ind` will be added to the
array as is, so the length of the return value will be `(length
ind)`.
(reduce2 + [1 2 3]) # -> 6
(accumulate2 + [1 2 3]) # -> @[1 3 6]