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std::length_error

STD：：长度[医]误差

Defined in header ​​
class length_error;​​

定义要作为异常抛出的对象类型。它报告试图超过某些对象的实现定义长度限制的错误。

的成员函数引发此异常。std::basic_string和std::vector::reserve...

二次

二次

继承图

成员函数

(constructor)constructs the exception object (public member function)

STD：：长度[医]错误：：长度[医]误差

explicit length_error( const std::string& what_arg (1)​
explicit length_error( const char* what_arg (2)(since C++11)

构造异常对象what_arg作为解释性字符串，可以通过what()...

因为复制std::exception不允许抛出异常，此消息通常作为单独分配的引用计数字符串存储在内部。这也是为什么没有构造函数std::string&&：：无论如何，它必须复制内容。

参数

what_arg-explanatory string

例外

可抛std::bad_alloc...

继承自STD：例外

成员函数

(destructor) virtualdestructs the exception object (virtual public member function of std::exception)
what virtualreturns an explanatory string (virtual public member function of std::exception)

另见

resizechanges the number of characters stored (public member function of std::basic_string)

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