std::exception::operator=

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exception& operator= ( const exception& other ) throw ( ) ;
(until C++11)
exception& operator= ( const exception& other ) noexcept ;
(since C++11)
(constexpr since C++26)

Copy assignment operator. Assigns the contents of other.

If *this and other both have dynamic type std::exception then std::strcmp (what( ), other.what ( ) ) == 0

Parameters

other - another exception to assign the contents of

Defect reports

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

DR Applied to Behavior as published Correct behavior
LWG 471 C++98 the effects of calling what() after
assignment are implementation-defined
required to be the same as the original
what() if the dynamic types are the same