Enum.zipwith(enumerable1, enumerable2, fun)

[Ricky Han]

This function is very handy and should not be composed ad hoc because it is an abstraction for binary function application. In Haskell and Python functools it's a first class function

[Peter Hamilton]

Stream.zip and Enum.map are pretty good here.

What might be missing is a function that takes a tuple and applies a function to its elements.

On Sun, May 21, 2017, 6:22 PM Ricky Han <ricky...@gmail.com> wrote:

This function is very handy and should not be composed ad hoc because it is an abstraction for binary function application. In Haskell and Python functools it's a first class function

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[OvermindDL1]

Yeah I implemented one that wraps a compilation environment as well, it takes the environment and two enumerables and calls the callback with the environment and each enumerable element accepting the updates environment and mapped value back out, it is not hard to build manually but is something useful:

https://github.com/OvermindDL1/typed_elixir/blob/master/lib/typed_elixir/hm_env.ex#L166-L177