Standard library header <typeinfo>

Standard library header <typeinfo> - cppreference.com

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This header is part of the type support library.

Classes

Synopsis

namespace std {
  class type_info;
  class bad_cast;
  class bad_typeid;
}

Class std::type_info

namespace std {
  class type_info {
  public:
    virtual ~type_info();
    constexpr bool operator==(const type_info& rhs) const noexcept;
    bool before(const type_info& rhs) const noexcept;
    size_t hash_code() const noexcept;
    const char* name() const noexcept;

    type_info(const type_info&) = delete;                   // cannot be copied
    type_info& operator=(const type_info&) = delete;        // cannot be copied
  };
}

Class std::bad_cast

namespace std {
  class bad_cast : public exception {
  public:
    // see [exception] for the specification of the special member functions
    const char* what() const noexcept override;
  };
}

Class std::bad_typeid

namespace std {
  class bad_typeid : public exception {
  public:
    // see [exception] for the specification of the special member functions
    const char* what() const noexcept override;
  };
}