10 lines
250 B
Elixir
10 lines
250 B
Elixir
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defmodule TwoFer do
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@doc """
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Two-fer or 2-fer is short for two for one. One for you and one for me.
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"""
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@spec two_fer(String.t()) :: String.t()
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def two_fer(name \\ "you") when is_binary(name) do
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"One for #{name}, one for me."
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end
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end
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