exception(); | (1) | |
exception( const exception& other ); | (2) |
Constructs new exception object.
what() returns empty string.other
| other | - | another exception to assign the contents of |
| (none) | (until C++11) |
noexcept specification: noexcept | (since C++11) |
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.
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