Function isOrBecomesErrored

examples/io/streams/modules/streams.js:914–920

(stream, promise, action)

		}

		function isOrBecomesErrored(stream, promise, action) {
			if (stream.state === 'errored') {
				action(stream.storedError);
			} else {
				promise.catch(action);
			}
		}

		function isOrBecomesClosed(stream, promise, action) {
			if (stream.state === 'closed') {