This header is part of the general utility library.
| Name | Description |
|---|---|
| (since C++17)
| Objects that hold instances of any CopyConstructible type. (class) |
| (C++17)
| exception thrown by the value-returning forms of any_cast on a type mismatch (class) |
| (C++17)
| specializes the std::swap algorithm (function) |
| (C++17)
| type-safe access to the contained object (function template) |
namespace std {
class bad_any_cast : public bad_cast
{
public:
virtual const char* what() const noexcept;
};
class any
{
public:
// any construct/destruct
any() noexcept;
any(const any& other);
any(any&& x) noexcept;
template <class ValueType>
any(ValueType&& value);
~any();
// any assignments
any& operator=(const any& rhs);
any& operator=(any&& rhs) noexcept;
template <class ValueType>
any& operator=(ValueType&& rhs);
// any modifiers
void clear() noexcept;
void swap(any& rhs) noexcept;
// any observers
bool empty() const noexcept;
const type_info& type() const noexcept;
};
// Non-member functions
void swap(any& x, any& y) noexcept;
template<class ValueType>
ValueType any_cast(const any& operand);
template<class ValueType>
ValueType any_cast(any& operand);
template<class ValueType>
ValueType any_cast(any&& operand);
template<class ValueType>
const ValueType* any_cast(const any* operand) noexcept;
template<class ValueType>
ValueType* any_cast(any* operand) noexcept;
} // namespace std
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