@define listref(l, i){
	if(i == 0)
		return car(l);
	else
		return listref(cdr(l), i-1);
}

@define mkzas(len){
	@local dispatch, str;
	str = mkstr(len);
	@define dispatch(args ...) {
		@local arg, range, new, beg, end;
		arg = listref(args, 1);

		if(arg == "get"){
			range = listref(args, 2);
			beg = rangebeg(range);
			end = beg+rangelen(range);
			printf("get %x %x\n", beg, end);
			return substr(str, beg, end);
		}

		if(arg == "put"){
			range = listref(args, 2);
			beg = rangebeg(range);
			end = beg+rangelen(range);
			new = listref(args, 3);
			strput(str, beg, new);
			printf("put %x %x\n", beg, end);
			return;
		}

		printf("bad argument to dispatch!\n");
	}
	return mkas([ "dispatch" : dispatch ]);
}

dom1 = mkdom(c32le, mkzas(0));
dom2 = mkdom(c32le, mkzas(0));

x = {dom1}0;
y = {dom2}0;

if(dom1 == dom2)
	error("should not be equal");

if(domof(x) == domof(y))
	error("should not be equal");

y = {dom1}y;

if(domof(x) != domof(y))
	error("should be equal");