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comparison util/bit53.lua @ 12358:d77d8fba44ad

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util.bit53: Add left- and right shift operations While not used by anything in Prosody, it is known to be used by some 3rd party modules.
author Kim Alvefur <zash@zash.se>
date Mon, 28 Jun 2021 03:56:45 +0200
parents 48f7cda4174d
children af02b033bd7f
comparison
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12357:cd11d7c4af8b 12358:d77d8fba44ad
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) return a & b end;
4 bor = function (a, b) return a | b end; 4 bor = function (a, b) return a | b end;
5 bxor = function (a, b) return a ~ b end; 5 bxor = function (a, b) return a ~ b end;
6 rshift = function (a, n) return a >> n end;
7 lshift = function (a, n) return a << n end;
6 }; 8 };
7 9