std::exception::operator= - std::exception::operator=
exception& operator=( const exception& other ) throw();
(until C++11)
exception& operator=( const exception& other ) noexcept; (since
C++11)
Copy assignment operator. Assigns the contents of other
The effects of calling what() after assignment are (until C++11)
implementation-defined.
If *this and other both have dynamic type std::exception then (since
C++11)
std::strcmp(what(), other.what()) == 0 after assignment.
other - another exception to assign the contents of