Sets: module {	A: con 2r1010;	B: con 2r1100; 	PATH: con "/dis/lib/sets.dis"; 	init:		fn();	set:		fn(): Set;	str2set:	fn(str: string): Set;	bytes2set:	fn(d: array of byte): Set;	Set: adt {		m:	int;		a:	array of int; 		X:		fn(s1: self Set, o: int, s2: Set): Set;		add:		fn(s: self Set, n: int): Set;		addlist:	fn(s: self Set, ns: list of int): Set;		# dellist:	fn(s: self Set, ns: list of int): Set;		del:		fn(s: self Set, n: int): Set;		invert:	fn(s: self Set): Set; 		eq:		fn(s1: self Set, s2: Set): int;		holds:	fn(s: self Set, n: int): int;		isempty:	fn(s: self Set): int;		msb:		fn(s: self Set): int;		limit:		fn(s: self Set): int; 		str:		fn(s: self Set): string;		bytes:	fn(s: self Set, n: int): array of byte;		debugstr:	fn(s: self Set): string;	};	All: con Set(~0, nil);	None: con Set(0, nil);};