std::exception::exception
From cppreference.com
exception(); |
(1) | |
exception( const exception& other ); |
(2) | |
Constructs new exception object.
1) Default constructor. what() returns empty string.
2) Copy constructor. Initializes the contents with those of
other
Parameters
other | - | another exception to assign the contents of |
Exceptions
(none) | (until C++11) |
noexcept specification: noexcept |
(since C++11) |
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.