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std::filesystem::path::empty

文件系统：：path：：空

bool empty() const;​(since C++17)

检查路径是否为空。

参数

%280%29

返回值

true如果路径是空的，false否则。

例外

noexcept规格：

noexcept

注记

可以通过调用clear默认情况下-构造一个path它也可以由路径分解函数%28返回，例如extension%29如果路径中不存在相应的组件。

空路径被归类为相对路径。

另见

(constructor)constructs a path (public member function)

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