lib/types/base64_url.ex
defmodule Kadena.Types.Base64Url do
@moduledoc """
`Base64Url` struct definition.
"""
@behaviour Kadena.Types.Spec
@type t :: %__MODULE__{url: String.t()}
defstruct [:url]
@impl true
def new(str) when is_binary(str), do: %__MODULE__{url: str}
def new(_str), do: {:error, [url: :invalid]}
end