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hauleth/time_format.ex

Created February 2, 2020 13:20
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time_format.ex
defmodule TimeFormat do
def format(seconds) do
seconds
|> :calendar.seconds_to_time()
|> do_format()
|> to_string()
end
defp do_format({0, m, s}), do: :io_lib.format("~B:~2..0B", [m, s])
defp do_format({h, m, s}), do: :io_lib.format("~B:~2..0B:~2..0B", [h, m, s])
end
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