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    3. Local declaration of 'XXX' hides instance variable

    Local declaration of 'XXX' hides instance variable

    xiaoxiao2021-03-25  108
    Local declaration of 'XXX' hides instance variable 遇到这种原因，是因为本地变量跟函数参数变量同名。开来，还是要注意变量的命名啊！
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