int main(){
	try{
		assert(0);
	}catch(Exception e){
		checkLineNumber(e);
		return 0;

	assert(-1);
	return 1;
}

/*
 * @WARNING@ this code depends on the phobos implementation.
 * char[]s returned by wrong assertions have to look like:
 *	 "blah blah (linenumber) blah blah"
 */
void checkLineNumber(Object o){
	char[] string=o.toString();

	int start;
	for(start=0; start<string.length; start++){if(string[start]=='('){break;}}

	int end;
	for(end=string.length-1; end>start; end--){if(string[end]==')'){break;}}

	assert(end-start==2);
	assert(string[start+1]=='6');
}