async

import vibe.core.core;
import vibe.core.log;

void test()
{
	auto val = async({
		logInfo("Starting to compute value in worker task.");
		sleep(500.msecs); // simulate some lengthy computation
		logInfo("Finished computing value in worker task.");
		return 32;
	});

	logInfo("Starting computation in main task");
	sleep(200.msecs); // simulate some lengthy computation
	logInfo("Finished computation in main task. Waiting for async value.");
	logInfo("Result: %s", val.getResult());
}

int sum(int a, int b)
{
	return a + b;
}

static int sum2(int a, int b)
{
	return a + b;
}

void test()
{
	// Using a delegate will use runTask internally
	assert(async(&sum, 2, 3).getResult() == 5);

	// Using a static function will use runTaskWorker internally,
	// if all arguments are weakly isolated
	assert(async(&sum2, 2, 3).getResult() == 5);
}