NAME

       std::exception - Base class for all library exceptions.

SYNOPSIS

       #include <exception.h>

       Inherited by __gnu_cxx::__concurrence_broadcast_error,
       __gnu_cxx::__concurrence_lock_error, __gnu_cxx::__concurrence_unlock_error,
       __gnu_cxx::__concurrence_wait_error, __gnu_cxx::forced_error,
       __gnu_cxx::recursive_init_error, std::bad_alloc, std::bad_cast, std::bad_exception,
       std::bad_function_call, std::bad_typeid, std::bad_weak_ptr, std::ios_base::failure,
       std::logic_error, and std::runtime_error.

   Public Member Functions
       exception (const exception &)=default
       exception (exception &&)=default
       exception & operator= (const exception &)=default
       exception & operator= (exception &&)=default
       virtual const char * what () const _GLIBCXX_TXN_SAFE_DYN noexcept

Detailed Description

       Base class for all library exceptions.

       This is the base class for all exceptions thrown by the standard library, and by certain
       language expressions. You are free to derive your own exception classes, or use a
       different hierarchy, or to throw non-class data (e.g., fundamental types).

       Definition at line 60 of file exception.h.

Constructor & Destructor Documentation

   std::exception::exception () [inline],  [noexcept]
       Definition at line 63 of file exception.h.

Member Function Documentation

   virtual const char * std::exception::what () const [virtual],  [noexcept]
       Returns a C-style character string describing the general cause of the current error.

       Reimplemented in std::ios_base::failure, std::bad_alloc, std::logic_error,
       std::runtime_error, std::bad_exception, std::bad_weak_ptr, std::bad_function_call,
       std::experimental::fundamentals_v1::bad_any_cast, std::future_error, std::bad_cast, and
       std::bad_typeid.

Author

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