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defmodule Boltex.Utils do
def reduce_to_binary(enumerable, transform) do
Enum.reduce enumerable, <<>>, fn(data, acc) -> acc <> transform.(data) end
end
def hex_encode(bytes) do
for << i <- bytes >>, do: Integer.to_string(i, 16)
end
def hex_decode(hex_list) do
for(hex <- hex_list, do: Integer.parse(hex, 16) |> elem(0))
|> reduce_to_binary(&<<&1>>)
end
end
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