std::exception man page

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


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

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.

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


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libstdc++ Fri Sep 16 2016