EQRCode.SpecTable.find_version

You're seeing just the function find_version, go back to EQRCode.SpecTable module for more information.

find_version(bin_len, ec_level \\ :h, mode \\ :byte)

find_version(non_neg_integer(), error_correction_level(), mode()) ::
  {:error, :no_version_found} | {:ok, version()}