std::bad_exception
From cppreference.com
Defined in header <exception>
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class bad_exception; |
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std::bad_exception
is the type of the exception thrown by the C++ runtime in the following situations:
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(since C++11) |
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(until C++17) |
Inheritance diagram
All member functions of |
(since C++26) |
Contents |
[edit] Member functions
constructs the bad_exception object (public member function) | |
copies the object (public member function) | |
[virtual] |
returns the explanatory string (virtual public member function) |
Inherited from std::exception
Member functions
[virtual] |
destroys the exception object (virtual public member function of std::exception )
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[virtual] |
returns an explanatory string (virtual public member function of std::exception )
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[edit] Notes
Feature-test macro | Value | Std | Feature |
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__cpp_lib_constexpr_exceptions |
202411L |
(C++26) | constexpr for exception types |
[edit] Example
Compiles only in C++14 or earlier modes (may issue warnings).
Run this code
#include <exception> #include <iostream> #include <stdexcept> void my_unexp() { throw; } void test() throw(std::bad_exception) // Dynamic exception specifications // are deprecated in C++11 { throw std::runtime_error("test"); } int main() { std::set_unexpected(my_unexp); // Deprecated in C++11, removed in C++17 try { test(); } catch (const std::bad_exception& e) { std::cerr << "Caught " << e.what() << '\n'; } }
Possible output:
Caught std::bad_exception