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std::bad_function_call

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< cpp‎ | utility‎ | functional

 
 
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
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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)
bad_function_call
(C++11)
Enlazar
Original:
Bind
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(C++11)
Envolturas de referencia
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Reference wrappers
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(C++11)(C++11)
Envoltorios Operador
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Operator wrappers
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Negadores
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Negators
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Desaprobado aglutinantes y adaptadores
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Deprecated binders and adaptors
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(obsoleto)
(obsoleto)
(obsoleto)
(obsoleto)
(obsoleto)(obsoleto)(obsoleto)(obsoleto)
(obsoleto)
(obsoleto)(obsoleto)
(obsoleto)(obsoleto)
 
Definido en la cabecera <functional>
class bad_function_call;
(desde C++11)

std::bad_function_call is the type of the exception thrown by std::function::operator() if the function wrapper has no target.

cpp/error/exceptionstd-bad function call-inheritance.svg
Acerca de esta imagen

Inheritance diagram

Contenido

[editar] Las funciones miembro

(constructor)
bad_function_call()
(función miembro público)

std::bad_function_call::bad_function_call()

bad_function_call();

Constructs a new instance of std::bad_function_call.

Parameters

(none)

Exceptions

noexcept specification:  
noexcept
  (desde C++11)

Inherited from std::exception

Member functions

[virtual]
destructs el objeto de excepción
Original:
destructs the exception object
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(función miembro público virtual de std::exception) [editar]
[virtual]
devuelve una cadena explicativa
Original:
returns an explanatory string
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(función miembro público virtual de std::exception) [editar]

[editar] Ejemplo

#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';
    }
}

Salida:

bad function call

[editar] Ver también

(C++11)
envuelve objeto que se puede llamar de cualquier tipo con la firma especificada llamada de función
Original:
wraps callable object of any type with specified function call signature
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(plantilla de clase) [editar]