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std::exception::exception(3) C++ Standard Libary std::exception::exception(3) NAME std::exception::exception - std::exception::exception Synopsis exception() throw(); (until C++11) exception() noexcept; (1) (since C++11) exception( const exception& other ) throw(); (2) (until C++11) exception( const exception& other ) noexcept; (since C++11) Constructs new exception object. 1) Default constructor. what() returns an implementation-defined string. 2) Copy constructor. Initializes the contents with those of other. If *this and other both have dynamic type std::exception then std::strcmp(what(), other.what()) == 0. (since C++11) Parameters other - another exception to assign the contents of Notes Because copying std::exception is not permitted to throw exceptions, when derived classes (such as std::runtime_error) have to manage a user-defined diagnostic message, it is typically implemented as a copy-on-write string. The Microsoft implementation includes non-standard constructors tak- ing strings thus allowing instances to be thrown directly with a meaningful error message. The nearest standard equivalents are std::runtime_error or std::logic_error. http://cppreference.com 2022.07.31 std::exception::exception(3)
NAME | Synopsis | Parameters | Notes
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