examples/guard.fwd


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/* 'auto' is a special type that currently is in place of generics, will
 * eventually be replaced but this is good enough to play around with */
fwd_println(auto s);

guard(bool cond, () err, () ok)
{
	if cond {
		err();
	} else {
		ok();
	}
}

try_print_one(int a)
{
	guard(a < 1) => {
		fwd_println("smaller than 1");
	} => ;

	guard(a > 1) => {
		fwd_println("larger than 1");
	} => ;

	fwd_println(a);
}

main()
{
	try_print_one(0);
	try_print_one(1);
	try_print_one(2);
}