Type Definition cassandra_cpp_sys::CassAuthenticatorInitialCallback

type CassAuthenticatorInitialCallback = Option<unsafe extern "C" fn(auth: *mut CassAuthenticator, data: *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 occurred during initialization.

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