Cldr.default_backend-exclamation-mark

You're seeing just the function default_backend-exclamation-mark, go back to Cldr module for more information.

Returns the configured default backend module.

The default backend can be set with Cldr.put_default_backend/1.

Alternatively the default backend may be configured in config.exs under the ex_cldr key as follows:

config :ex_cldr,
  default_backend: <backend_module>

Important Note

If this function is called and no default backend is configured an exception will be raised.