vKxni/defdelegate.ex

Last active July 7, 2022 17:09

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defdelegate.ex

	defmodule Main do
	def print, do: "Hello from Main"
	end

	defmodule Other do
	defdelegate hello, to: Main, as: :print
	end

	IO.puts(Other.hello)

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vKxni commented Jul 7, 2022 •

edited

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Here, we are delegating Main.print to Other.hello.

Why IO.puts(Other.hello)?

Other is the new defmodule name, while .hello is our function (defdelegate) name, that refers to the main Main defmodule, but uses the function print (as an atom) as: :print

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