【高级技巧】Lua table.remove倒序删：沙巴克守城名单的移位陷阱

local function kickOffline(list)
    for i = 1, #list do
        if list[i].online == 0 then
            table.remove(list, i)    -- 前移吞掉下一个待检项
        end
    end
end

local function kickOffline(list)
    local kicked = {}
    for i = #list, 1, -1 do
        if list[i].online == 0 then
            table.insert(kicked, list[i].name)
            table.remove(list, i)
        end
    end
    return kicked
end