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7b9de8109a90
util/bitcompat.lua

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util/bitcompat.lua @ 12748:7b9de8109a90

util.roles: Add a :policies() method to iterate through available policies We don't expose the policies directly, to force people to go through :may(). However, there are times when we really just need to know what policies a role has inside it (e.g. for reporting or debugging purposes).
author Matthew Wild <mwild1@gmail.com>
date Fri, 07 Oct 2022 17:01:35 +0100
parent 12573:0f4feaf9ca64
child 12975:d10957394a3c
line wrap: on
line source

-- Compatibility layer for bitwise operations

-- First try the bit32 lib
-- Lua 5.3 has it with compat enabled
-- Lua 5.2 has it by default
if _G.bit32 then
	return _G.bit32;
end

do
	-- Lua 5.3 and 5.4 would be able to use native infix operators
	local ok, bitop = pcall(require, "util.bit53")
	if ok then
		return bitop;
	end
end

error "No bit module found. See https://prosody.im/doc/depends#bitop";