Right now, the Platform.Sub library has a map function which allows for
transforming subscriptions. However, the initial and modified
subscriptions will always produce the same number of messages. Are there
plans to add filterMap and/or concatMap methods to Platform.Sub so that the
number of messages can be modified?
A simple use case (not that you would actually do this) would be
Time.every Time.second identity
|> Sub.filterMap (\x -> if floor x % 2 == 0 then Just x else Nothing)
to implement
Time.every (2 * Time.second)
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