local ex = {
    hey = {
        nested_shit = {
            '1', '2', 3, function() end
        },

        print,
    },

    2, 7,

    'some random string',

    another_table = {
        newproxy(),
        'even some userdata',
        {{{{{{'if you\'re seeing this this shit works'}}}}}}
    }
}

local function levelPrint(level, ...)
    io.write(string.rep('\t', level))
    print(...)
end

local function formatPair(first, second)
    return string.format('%s = %s', tostring(first), tostring(second))
end

function inspect(list)
    local stack = {list}
    local info = {}
    local level = 1
    print('{')

    while #stack ~= 0 do
        local current = stack[#stack]
        local index, value = next(current, info[current])
        if not index then
            table.remove(stack, #stack)
            info[current] = nil
            level = level - 1
            levelPrint(level, '}')
        else
            info[current] = index

            if type(value) == 'string' then
                levelPrint(level, formatPair(index, '"' .. value .. '"'))
            elseif type(value) == 'table' then
                table.insert(stack, value)
                levelPrint(level, formatPair(index, '{'))
                level = level + 1
            else
                levelPrint(level, formatPair(index, value))
            end
        end
    end
end

inspect(ex)