package ppx_factory
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all_ok l return l' if all elements of l are Ok _ or the first encountered error otherwise.
val find_ok :
f:('a -> ('b, 'err) Stdlib.result) ->
'a list ->
('b, [ `Empty | `Last of 'err ]) Stdlib.resultApply the given function to the given list's elements until it returns Ok _. Return Error `Empty if the list is empty or Error (`Last err) with the last error returned by f if it returned an error for every elements.