std::filesystem::status_known
Defined in header <filesystem> | | |
|---|---|---|
bool status_known( std::filesystem::file_status s ); | (1) | (since C++17) |
检查给定文件状态是否已知，等效于s.type() != file_type::none...
参数
s | - | file status to check |
|---|
返回值
true如果给定的文件状态是未知的文件状态。
例外
noexcept规格：
noexcept
注记
不管名称如何，函数都会检查file_type::none%28表示错误发生在%29，而不是file_type::unknown%28表示文件存在，但其类型不能确定为%29。
另见
statussymlink_status (C++17)(C++17) | determines file attributesdetermines file attributes, checking the symlink target (function) |
|---|---|
statussymlink_status | status of the file designated by this directory entrysymlink_status of the file designated by this directory entry (public member function of std::filesystem::directory_entry) |
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