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 implementation-defined.	(until C++11)
If `*this` and `other` both have dynamic type `std::exception` then `std::strcmp(what(), other.what()) == 0`.	(since C++11)

other

another exception to assign the contents of

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/error/exception/operator=