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std::exception::exception

From cppreference.com
< cpp‎ | error‎ | exception
 
 
 
 
 
exception();
(1)
exception( const exception& other );
(2)

Constructs new exception object.

1) Default constructor. what() returns an implementation-defined string.
2) Copy constructor. Initializes the contents with those of other

[edit] Parameters

other - another exception to assign the contents of

[edit] Exceptions

(none) (until C++11)
noexcept specification:  
noexcept
  
(since C++11)

[edit] 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.