Espaces de noms
Variantes
Affichages
Actions

std::bad_typeid

De cppreference.com
< cpp‎ | types

 
 
 
Soutien aux types fondamentaux
Les types de base
Original:
Basic types
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Types fondamentaux
Fixe les types entiers largeur (C++11)
Limites numériques
Original:
Numeric limits
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
numeric_limits
C numérique limite interface
Informations sur le type d'exécution
Original:
Runtime type information
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
bad_typeid
bad_cast
Caractères de type
Original:
Type traits
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Catégories de type primaire
Original:
Primary type categories
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
is_void (C++11)
is_array (C++11)
is_pointer (C++11)
is_enum (C++11)
is_union (C++11)
is_class (C++11)
is_function (C++11)
is_object (C++11)
is_scalar (C++11)
is_compound (C++11)
is_integral (C++11)
is_floating_point (C++11)
is_fundamental (C++11)
is_arithmetic (C++11)
is_reference (C++11)
is_lvalue_reference (C++11)
is_rvalue_reference (C++11)
is_member_pointer (C++11)
is_member_object_pointer (C++11)
is_member_function_pointer (C++11)
Les propriétés du type
Original:
Type properties
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
is_const (C++11)
is_volatile (C++11)
is_pod (C++11)
is_empty (C++11)
is_polymorphic (C++11)
is_abstract (C++11)
Opérations prises en charge
Original:
Supported operations
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
is_constructible
is_trivially_constructible
is_nothrow_constructible
(C++11)
(C++11)
(C++11)
is_default_constructible
is_trivially_default_constructible
is_nothrow_default_constructible
(C++11)
(C++11)
(C++11)
is_copy_constructible
is_trivially_copy_constructible
is_nothrow_copy_constructible
(C++11)
(C++11)
(C++11)
is_move_constructible
is_trivially_move_constructible
is_nothrow_move_constructible
(C++11)
(C++11)
(C++11)
is_assignable
is_trivially_assignable
is_nothrow_assignable
(C++11)
(C++11)
(C++11)
is_copy_assignable
is_trivially_copy_assignable
is_nothrow_copy_assignable
(C++11)
(C++11)
(C++11)
is_move_assignable
is_trivially_move_assignable
is_nothrow_move_assignable
(C++11)
(C++11)
(C++11)
is_destructible
is_trivially_destructible
is_nothrow_destructible
(C++11)
(C++11)
(C++11)
has_virtual_destructor (C++11)
Les relations et les requêtes de propriété
Original:
Relationships and property queries
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
is_same (C++11)
is_base_of (C++11)
is_convertible (C++11)
alignment_of (C++11)
rank (C++11)
extent (C++11)
Modifications de type
Original:
Type modifications
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
remove_cv
remove_const
remove_volatile
(C++11)
(C++11)
(C++11)
add_cv
add_const
add_volatile
(C++11)
(C++11)
(C++11)
make_signed (C++11)
make_unsigned (C++11)
Transformations de type
Original:
Type transformations
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
aligned_storage (C++11)
aligned_union (C++11)
decay (C++11)
enable_if (C++11)
conditional (C++11)
common_type (C++11)
underlying_type (C++11)
result_of (C++11)
Tapez constantes traits
Original:
Type trait constants
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
integral_constant (C++11)
 
std::bad_typeid
Les fonctions membres
Original:
Member functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
bad_typeid::bad_typeid
Hérité de std::exception
Original:
Inherited from std::exception
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
exception::~exception
exception::what
 
Defined in header <typeinfo>
class bad_typeid : public std::exception;
Une exception de ce type est levée lorsqu'un opérateur typeid est appliquée à une valeur de pointeur null déréférencé ou un type polymorphe .
Original:
An exception of this type is thrown when a typeid operator is applied to a dereferenced null pointer value or a polymorphic type.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
cpp/error/exceptionstd-bad typeid-inheritance.svg
À propos de cette image

Inheritance diagram

Sommaire

[modifier] Fonctions membres

construit un objet bad_typeid nouvelle
Original:
constructs a new bad_typeid object
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(fonction membre publique)

Inherited from std::exception

Member functions

[
virtuel
Original:
virtual
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
]
Détruit l'objet exception
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.

(function membre virtuelle publique de std::exception) [edit]
[
virtuel
Original:
virtual
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
]
retourne une chaîne explicative
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.

(function membre virtuelle publique de std::exception) [edit]

[modifier] Exemple

#include <iostream>
#include <typeinfo>
 
struct S { // The type has to be polymorphic
    virtual void f();
}; 
 
int main()
{
    S* p = nullptr;
    try {
        std::cout << typeid(*p).name() << '\n';
    } catch(const std::bad_typeid& e) {
        std::cout << e.what() << '\n';
    }
}

Résultat :

Attempted a typeid of NULL pointer!