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util/bit53.lua @ 12518:73ee3855f970
mod_smacks: Factor out some convenience functions
Those lines are long and the risk of mistakes if another one needs to be
added seems high, but lower when factored out like this.
author | Kim Alvefur <zash@zash.se> |
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date | Fri, 11 Feb 2022 16:09:42 +0100 |
parent | 12365:af02b033bd7f |
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-- 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; };