Sms77.HTTPClient.head-exclamation-mark

You're seeing just the function head-exclamation-mark, go back to Sms77.HTTPClient module for more information.

head!(url, headers \\ [], options \\ [])

head!(binary(), headers(), Keyword.t()) ::
  HTTPoison.Response.t() | HTTPoison.AsyncResponse.t()

Issues a HEAD request to the given url, raising an exception in case of failure.

If the request does not fail, the response is returned.

See request!/5 for more detailed information.