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std::error_category::name

STD：错误[医]类别：名称

virtual const char* name() const = 0;​(since C++11)

返回指向以空结尾的字节字符串的指针，该字符串指定错误类别的名称。

参数

%280%29

返回值

指定错误类别名称的以空结尾的字节字符串。

例外

noexcept规格：

noexcept

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