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How to pattern match a function in Elixir

I found how to pattern match a function on Improve error messages for invalid expression in match · Issue #5649 · elixir-lang/elixir.

x = &List.first/1
case &List.first/1 do
  ^x -> true
end

I also wrote a summary for it: How to pattern match a function in Elixir - dsdshome

Feel free to check it out and leave some comments.

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