prosody
af02b033bd7f
util/bit53.lua

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util/bit53.lua @ 12365:af02b033bd7f

util.bit53: Support for more than 2 arguments, for compat with bit32
author Matthew Wild <mwild1@gmail.com>
date Fri, 04 Mar 2022 19:37:59 +0000
parent 12358:d77d8fba44ad
child 13449:9912baa541c0
comparison
equal deleted inserted replaced
12364:261ce358e436 12365:af02b033bd7f
1 -- Only the operators needed by net.websocket.frames are provided at this point 1 -- Only the operators needed by net.websocket.frames are provided at this point
2 return { 2 return {
3 band = function (a, b) return a & b end; 3 band = function (a, b, ...)
4 bor = function (a, b) return a | b end; 4 local ret = a & b;
5 bxor = function (a, b) return a ~ b end; 5 if ... then
6 for i = 1, select("#", ...) do
7 ret = ret & (select(i, ...));
8 end
9 end
10 return ret;
11 end;
12 bor = function (a, b, ...)
13 local ret = a | b;
14 if ... then
15 for i = 1, select("#", ...) do
16 ret = ret | (select(i, ...));
17 end
18 end
19 return ret;
20 end;
21 bxor = function (a, b, ...)
22 local ret = a ~ b;
23 if ... then
24 for i = 1, select("#", ...) do
25 ret = ret ~ (select(i, ...));
26 end
27 end
28 return ret;
29 end;
6 rshift = function (a, n) return a >> n end; 30 rshift = function (a, n) return a >> n end;
7 lshift = function (a, n) return a << n end; 31 lshift = function (a, n) return a << n end;
8 }; 32 };
9 33