File

util/bit53.lua @ 13345:a74251a790ed

mod_blocklist: Remove weak cache (and increase default LRU cache size) Weak tables are said to have suboptimal performance, so we might as well get replace it with an increased default LRU cache size. Sorry about the 'and'
author Kim Alvefur <zash@zash.se>
date Sun, 26 Nov 2023 17:41:38 +0100
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;
};