std::bad_function_call
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< cpp | utility | functional
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| definiert in Header <functional>
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| class bad_function_call; |
(seit C++11) | |
std::bad_function_call is the type of the exception thrown by std::function::operator() if the function wrapper has no target.
Inheritance diagram
Inhaltsverzeichnis |
[Bearbeiten] Member-Funktionen
| (constructor) |
bad_function_call() (öffentliche Elementfunktion) |
std::bad_function_call::bad_function_call()
| bad_function_call(); |
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Constructs a new instance of std::bad_function_call.
Parameters
(none)
Exceptions
Inherited from std::exception
Member functions
| [virtuell] |
Zerstört das Ausnahme-Objekt Original: destructs the exception object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtuellen öffentlichen Member-Funktion of std::exception)
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| [virtuell] |
gibt einen erläuternden String Original: returns an explanatory string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtuellen öffentlichen Member-Funktion of std::exception)
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[Bearbeiten] Beispiel
#include <iostream> #include <functional> int main() { std::function<int()> f = nullptr; try { f(); } catch(const std::bad_function_call& e) { std::cout << e.what() << '\n'; } }
Output:
bad function call
[Bearbeiten] Siehe auch
| (C++11) |
wickelt aufrufbare Objekt eines beliebigen Typs mit dem angegebenen Funktion Call-Signatur Original: wraps callable object of any type with specified function call signature The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) |
