为什么这里会报 ineffective assignment to field DB.Sess (SA4005)go-staticcheck - V2EX
V2EX = way to explore
V2EX 是一个关于分享和探索的地方
现在注册
已注册用户请  登录
The Go Programming Language
http://golang.org/
Go Playground
Go Projects
Revel Web Framework
Reid
V2EX    Go 编程语言

为什么这里会报 ineffective assignment to field DB.Sess (SA4005)go-staticcheck

  •  
  •   Reid 2022-03-01 14:42:24 +08:00 2569 次点击
    这是一个创建于 1368 天前的主题,其中的信息可能已经有所发展或是发生改变。

    Go 语言 下面这段代码会提示这个 warning 。不太理解为啥? 逻辑是从 slice 中取一个 session 执行,执行后放回 slice ,有更好用的方式吗?

    func (d DB) Run(stmt string) { if len(d.Sess) > 0 { sess := d.Sess[0] d.Sess = d.Sess[1:] result, err := sess.ExecuteJson(stmt) if err != nil { fmt.Println("sess Executejson err: ", err) d.Sess = append(d.Sess, sess) return } fmt.Println(gjson.Get(string(result), "results.0.data")) d.Sess = append(d.Sess, sess) } } 

    codeImage

    2 条回复    2022-03-01 15:06:45 +08:00
    MicroPan
        1
    MicroPan  
       2022-03-01 15:00:56 +08:00
    d 是通过 DB(值) 调用的 Run, 修改 Sess 并不会生效.
    你可以试试改为 func (d *DB) Run(stmt string) 试试是否可以解决这个问题
    Reid
        2
    Reid  
    OP
       2022-03-01 15:06:45 +08:00
    @MicroPan 是的,是这个问题,指针接受者 和 值接受者的区别...
    关于     帮助文档     自助推广系统     博客     API     FAQ     Solana     4442 人在线   最高记录 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 25ms UTC 09:58 PVG 17:58 LAX 01:58 JFK 04:58
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86