File

util/bit53.lua @ 13317:e6a5f196fc1f

util.uuid: Add UUIDv7 Allows sorting by id as a substitute for sorting by timestamp since it has the timestamp in the encoded in the first part, and only things that happen extremely close together may get out of order by such a sort, which might not matter. From draft-ietf-uuidrev-rfc4122bis formerly draft-peabody-dispatch-new-uuid-format
author Kim Alvefur <zash@zash.se>
date Sun, 15 Aug 2021 14:44:21 +0200
parent 12365:af02b033bd7f
child 13449:9912baa541c0
line wrap: on
line source

-- Only the operators needed by net.websocket.frames are provided at this point
return {
	band   = function (a, b, ...)
		local ret = a & b;
		if ... then
			for i = 1, select("#", ...) do
				ret = ret & (select(i, ...));
			end
		end
		return ret;
	end;
	bor    = function (a, b, ...)
		local ret = a | b;
		if ... then
			for i = 1, select("#", ...) do
				ret = ret | (select(i, ...));
			end
		end
		return ret;
	end;
	bxor   = function (a, b, ...)
		local ret = a ~ b;
		if ... then
			for i = 1, select("#", ...) do
				ret = ret ~ (select(i, ...));
			end
		end
		return ret;
	end;
	rshift = function (a, n) return a >> n end;
	lshift = function (a, n) return a << n end;
};