24 lines
558 B
Elixir
24 lines
558 B
Elixir
defmodule Bob do
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@spec hey(String.t()) :: String.t()
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def hey(input) do
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trimmed = String.trim(input)
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is_yell? = String.upcase(trimmed) == trimmed and String.downcase(trimmed) != trimmed
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is_question? = String.ends_with?(trimmed, "?")
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is_silence? = trimmed == ""
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cond do
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is_silence? ->
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"Fine. Be that way!"
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is_yell? and is_question? ->
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"Calm down, I know what I'm doing!"
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is_question? ->
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"Sure."
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is_yell? ->
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"Whoa, chill out!"
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true ->
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"Whatever."
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end
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end
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end
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