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std::function::operator bool

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< cpp‎ | utility‎ | functional‎ | function

 
 
 
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explicit operator bool() const;
(seit C++11)
Überprüft, ob *this eine aufrufbare Funktion Target Stores, dh nicht leer .
Original:
Checks whether *this stores a callable function target, i.e. is not empty.
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[Bearbeiten] Parameter

(None)
Original:
(none)
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[Bearbeiten] Rückgabewert

true wenn *this speichert eine aufrufbare Funktion Ziel false sonst .
Original:
true if *this stores a callable function target, false otherwise.
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[Bearbeiten] Ausnahmen

noexcept specification:  
noexcept
  (seit C++11)