Type Definition cassandra_cpp_sys::CassAuthenticatorInitialCallback

type CassAuthenticatorInitialCallback = Option<unsafe extern "C" fn(_: *mut CassAuthenticator, _: *mut c_void)>;

A callback used to initiate an authentication exchange.

Use cass_authenticator_set_response() to set the response token.

Use cass_authenticator_set_error() if an error occured during initialization.

@param[in] auth @param[in] data