Function cassandra_cpp_sys::cass_future_error_message

pub unsafe extern "C" fn cass_future_error_message(
    future: *mut CassFuture, 
    message: *mut *const c_char, 
    message_length: *mut usize
)

Gets the error message from future. If the future is not ready this method will wait for the future to be set.

@public @memberof CassFuture

@param[in] future @param[out] message Empty string returned if successful, otherwise a message describing the error is returned. @param[out] message_length