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Author | SHA1 | Date |
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Nathan Mattes | ba73d0040f | |
Nathan Mattes | 193d58827f | |
Nathan Mattes | ff8cd2798a |
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defmodule StringsAndBinaries do
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def ascii_printable?(char_list) do
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List.ascii_printable?(char_list)
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end
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def custom_ascii_printable?(char_list) do
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# every character in char list must between 32 and 126
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Enum.all?(char_list, &( 32 <= &1 and &1 <= 126))
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end
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def anagram?(word1, word2) do
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# An anagram is a word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once.
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Enum.sort(String.to_charlist(word1)) == Enum.sort(String.to_charlist(word2))
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end
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def calculate(expression) do
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# this might be a bit dirty, but it solves the issue.
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[a, operator, b] = ~w[ #{expression} ]
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a = String.to_integer(a)
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b = String.to_integer(b)
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case operator do
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"+" -> add(a, b)
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"-" -> substract(a, b)
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"*" -> multiply(a, b)
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"/" -> divide(a, b)
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end
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end
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defp add(a, b), do: a + b
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defp substract(a, b), do: a - b
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defp multiply(a, b), do: a * b
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defp divide(a, b), do: a / b
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end
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