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domainatrex

3.2.0
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Domain / TLD parsing library for Elixir, using the Public Suffix List.

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domainatrex lib trie.ex
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lib/trie.ex 

defmodule Domainatrex.TrieBuilder do

  @moduledoc false



  def build(suffixes) do

    Enum.reduce(suffixes, %{}, &put_suffix(&2, &1))

  end



  defp put_suffix(node, []) do

    Map.put(node, :_end, true)

  end



  defp put_suffix(node, [head | tail]) do

    child = Map.get(node, head, %{})

    Map.put(node, head, put_suffix(child, tail))

  end

end