vKxni · January 24, 2023 09:39
diff --git a/multiply-macro.ex b/multiply-macro.ex
 defmodule MyMacros do
  defmacro multiply(factor) do
    quote do
      def multiply_by_#{unquote(factor)}(x), do: x * unquote(factor)
    end
  end
 end

 # Use the macro
 defmodule MyModule do
  import MyMacros

  multiply(3)
 end

 MyModule.multiply_by_3(5) # => 15
	defmodule MyMacros do
	defmacro multiply(factor) do
	quote do
	def multiply_by_#{unquote(factor)}(x), do: x * unquote(factor)
	end
	end
	end

	# Use the macro
	defmodule MyModule do
	import MyMacros

	multiply(3)
	end

	MyModule.multiply_by_3(5) # => 15