TylerPachal · September 4, 2020 16:13
diff --git a/intro_to_functional_programming_03.ex b/intro_to_functional_programming_03.ex
 # Do not do this in Elixir

 def increment(number) do
  # Because of lexical scoping, this will have no impact to anything 
  # outside the scope of this function.
  number = number + 1
 end

 count = 0
 increment(count)

 IO.inspect(count) # 0
	# Do not do this in Elixir

	def increment(number) do
	# Because of lexical scoping, this will have no impact to anything
	# outside the scope of this function.
	number = number + 1
	end

	count = 0
	increment(count)

	IO.inspect(count) # 0