iban-ex/lib/iban_ex/error.ex

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Elixir
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defmodule IbanEx.Error do
@moduledoc false
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@type error() ::
:unsupported_country_code
| :invalid_format
| :invalid_length
| :invalid_checksum
| :can_not_parse_map
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| :length_to_long
| :length_to_short
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| atom()
@type errors() :: [error()]
@errors [
:unsupported_country_code,
:invalid_format,
:invalid_length,
:invalid_checksum,
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:can_not_parse_map,
:length_to_long,
:length_to_short
]
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@messages [
unsupported_country_code: "Unsupported country code",
invalid_format: "IBAN violates required format",
invalid_length: "IBAN violates the required length",
invalid_checksum: "IBAN's checksum is invalid",
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can_not_parse_map: "Can't parse map to IBAN struct",
length_to_long: "IBAN longer then required length",
length_to_short: "IBAN shorter then required length"
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]
@spec message(error()) :: String.t()
def message(error) when error in @errors, do: @messages[error]
def message(_error), do: "Undefined error"
end