std::exception - Man Page
Base class for all library exceptions.
Synopsis
#include <exception>
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, std::bad_alloc, std::bad_cast, std::bad_exception, std::bad_function_call, std::bad_optional_access, std::bad_typeid, std::bad_variant_access, 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 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).
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_alloc, std::ios_base::failure, std::bad_exception, std::bad_cast, std::bad_typeid, std::bad_any_cast, std::filesystem::filesystem_error, std::bad_weak_ptr, std::bad_function_call, std::experimental::fundamentals_v1::bad_any_cast, std::experimental::filesystem::v1::filesystem_error, std::future_error, std::logic_error, std::runtime_error, and std::bad_optional_access.
Author
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