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std::bad_alloc

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< cpp‎ | memory‎ | new
 
 
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Gestión de memoria dinámica
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Los asignadores
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bad_alloc
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Objects
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std::bad_alloc
Las funciones miembro
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Member functions
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Se hereda de std::exception
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Inherited from std::exception
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Definido en la cabecera <new>
class bad_alloc;

std::bad_alloc is the type of the object thrown as exceptions by the <div class="t-tr-text">funciones de asignación

</div> to report failure to allocate storage.

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

Inheritance diagram

Contenido

[editar] Las funciones miembro

constructs the bad_alloc object
(función miembro público)
replaces a bad_alloc object
(función miembro público)
devuelve una cadena explicativa
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returns explanatory string
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(función miembro público)

Inherited from std::exception

Member functions

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

[editar] Ejemplo

#include <iostream>
#include <new>
 
int main()
{
    try {
        while (true) {
            new int[100000000ul];
        }
    } catch (const std::bad_alloc& e) {
        std::cout << "Allocation failed: " << e.what() << '\n';
    }
}

Salida:

Allocation failed: std::bad_alloc

[editar] Ver también

funciones de asignación
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allocation functions
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(función) [editar]