std::bad_exception::operator=
From cppreference.com
                    
                                        
                    < cpp | error | bad exception
                    
                                                            
                    |   bad_exception& operator=( const bad_exception& other ) noexcept;  | 
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Assigns the contents of other.
Parameters
| other | - |   another bad_exception object to assign
 | 
Return value
*this.