# This file defines the Plug.Exception protocol and
# the exceptions that implement such protocol.
defprotocol Plug.Exception do
@moduledoc """
A protocol that extends exceptions to be status-code aware.
By default, it looks for an implementation of the protocol,
otherwise checks if the exception has the `:plug_status` field
or simply returns 500.
"""
@fallback_to_any true
@doc """
Receives an exception and returns its HTTP status code.
"""
@spec status(t) :: Plug.Conn.status
def status(exception)
end
defimpl Plug.Exception, for: Any do
def status(%{plug_status: status}) when is_integer(status), do: status
def status(_), do: 500
end