-- Rotate left and right are not built-in but we use the
-- same 32-bit substitutes as in the Lua 5.3+ example.
local function rl(x, y) return ((x << y) & 0xffffffff) | (x >> (32 - y)) end

local function rr(x, y) return (x >> y) | ((x << (32 - y)) & 0xffffffff) end

local function bitwise(x, y)
    print($" x      = {x}")
    print($" y      = {y}")
    print($" x & y  = {x & y}")
    print($" x | y  = {x | y}")
    print($" x ~ y  = {x ~ y}")
    print($"~x      = {~x}")
    print($" x << y = {x << y}")
    print($" x >> y = {x >> y}")
    print($" x rl y = {rl(x, y)}")
    print($" x rr y = {rr(x, y)}")
end

bitwise(10, 2)