File

util/bit53.lua @ 13203:aa6c2692a4be

core.moduleapi: Allow specifying an acceptable range for number options
author Kim Alvefur <zash@zash.se>
date Tue, 05 Oct 2021 15:36:38 +0200 (2021-10-05)
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;
};