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请教一下 /base/LogFile.cpp 中 reset 函数 #2

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bobbymly opened this issue Feb 27, 2018 · 1 comment

bobbymly commented Feb 27, 2018

/base/LogFile.cpp
19： file_.reset(new AppendFile(basename));

这一句没看懂
file_ 是一个AppendFile类型的指针成员却使用了 . 运算符
而且 ApendFile 类中并没有定义 reset 方法

Owner

linyacool commented Feb 27, 2018

@bobbymly file_ 成员是智能指针std::unique_ptr, 智能指针本身是一个对象，所以有"."运算符，我们能用->是因为智能指针帮我们重载了->,才得以直接访问指针指向的内容

bobbymly closed this as completed

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