-- 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;

else

	-- Lua 5.1 may have it as a standalone module that can be installed

	local ok, bitop = pcall(require, "bit32")

	if ok then

		return bitop;

	end

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

do

	-- Lastly, try the LuaJIT bitop library

	local ok, bitop = pcall(require, "bit")

	if ok then

		return bitop;

	end

end

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