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std::function::operator bool

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< cpp‎ | utility‎ | functional‎ | function

 
 
Utilidades de la biblioteca
Escriba apoyo (basic types, RTTI, type traits)
Gestión de memoria dinámica
Gestión de errores
Programa de servicios públicos
Funciones variadic
Fecha y hora
Objetos Function
(C++11)
Operadores relacionales
Original:
Relational operators
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Pares y tuplas
Original:
Pairs and tuples
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(C++11)
Cambiar, hacia adelante y mover
Original:
Swap, forward and move
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(C++11)
(C++11)
(C++11)
 
Objetos Function


Envoltorios de función
Original:
Function wrappers
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(C++11)
(C++11)
Enlazar
Original:
Bind
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(C++11)
Envolturas de referencia
Original:
Reference wrappers
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(C++11)(C++11)
Envoltorios Operador
Original:
Operator wrappers
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Negadores
Original:
Negators
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Desaprobado aglutinantes y adaptadores
Original:
Deprecated binders and adaptors
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(obsoleto)
(obsoleto)
(obsoleto)
(obsoleto)
(obsoleto)(obsoleto)(obsoleto)(obsoleto)
(obsoleto)
(obsoleto)(obsoleto)
(obsoleto)(obsoleto)
 
std::function
Las funciones miembro
Original:
Member functions
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function::operator bool
Terceros funciones
Original:
Non-member functions
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Clases de ayuda
Original:
Helper classes
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explicit operator bool() const;
(desde C++11)
Comprueba si *this almacena un objetivo que se puede llamar la función, es decir, no está vacío .
Original:
Checks whether *this stores a callable function target, i.e. is not empty.
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[editar] Parámetros

(Ninguno)
Original:
(none)
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[editar] Valor de retorno

true si *this almacena una función objetivo que se puede llamar, false de otra manera .
Original:
true if *this stores a callable function target, false otherwise.
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[editar] Excepciones

noexcept specification:  
noexcept
  (desde C++11)