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std::filesystem::filesystem_error::filesystem_error

文件系统：：文件系统[医]错误：：文件系统[医]误差

filesystem_error( const std::string& what_arg, std::error_code ec (1)(since C++17)
filesystem_error( const std::string& what_arg, const std::filesystem::path& p1, std::error_code ec (2)(since C++17)
filesystem_error( const std::string& what_arg, const std::filesystem::path& p1, const std::filesystem::path& p2, std::error_code ec (3)(since C++17)

构造一个新的文件系统错误对象。解释字符串设置为what_arg，错误代码设置为ec还可以将导致错误的操作所涉及的路径设置为p1和p2...

参数

例

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