import standard; //for a bunch of utility functions

print "Hello world"; //"print" is a keyword

var msg = "foobar"; //declare a variable like this

assert true, "This message won't be seen"; //assert is another keyword

//-------------------------

fn makeCounter() { //declare a function like this
	var total: int = 0; //declare a variable with a type like this

	fn counter(): int { //declare a return type like this
		return ++total;
	}

	return counter; //closures are explicitly supported
}

var tally = makeCounter();

print tally(); //1
print tally(); //2
print tally(); //3