function
boot.janet on line 2214, column 1
(some pred ind & inds)
Returns nil if `(pred item)` is false or nil for every item in
`ind`. Otherwise, returns the first truthy result encountered.
(some odd? [2 4 6 8 10])
# =>
nil
(some even? [1 3 5 7 11 18])
# =>
true