Method add_reader

Lib/test/test_asyncio/utils.py:454–457

Add a reader callback.

(self, fd, callback, *args)

                    fd, transport))

    def add_reader(self, fd, callback, *args):
        """Add a reader callback."""
        self._ensure_fd_no_transport(fd)
        return self._add_reader(fd, callback, *args)

    def remove_reader(self, fd):
        """Remove a reader callback."""