7 lines
280 B
Text
7 lines
280 B
Text
haystack = ~w(Zig Zag Wally Ronald Bush Krusty Charlie Bush Bozo)
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Enum.each(~w(Bush Washington), fn needle ->
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index = Enum.find_index(haystack, fn x -> x==needle end)
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if index, do: (IO.puts "#{index} #{needle}"),
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else: raise "#{needle} is not in haystack\n"
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end)
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