This header is part of thegeneral utility library.
Classes | ||
(C++17) | objects that hold instances of anyCopyConstructible type (class)[edit] | |
(C++17) | exception thrown by the value-returning forms ofany_cast on a type mismatch(class)[edit] | |
Functions | ||
(C++17) | specializes thestd::swap algorithm (function)[edit] | |
(C++17) | creates anany object(function template)[edit] | |
(C++17) | type-safe access to the contained object (function template)[edit] | |
namespace std{// class bad_any_castclass bad_any_cast; // class anyclass any; // non-member functionsvoid swap(any& x, any& y)noexcept; template<class T,class...Args> any make_any(Args&&...args);template<class T,class U,class...Args> any make_any(initializer_list<U> il, Args&&...args); template<class T> T any_cast(const any& operand);template<class T> T any_cast(any& operand);template<class T> T any_cast(any&& operand); template<class T>const T* any_cast(const any* operand)noexcept;template<class T> T* any_cast(any* operand)noexcept;}
namespace std{class bad_any_cast:public bad_cast{public:// see [exception] for the specification of the special member functionsconstchar* what()constnoexcept override;};}
namespace std{class any{public:// construction and destructionconstexpr any()noexcept; any(const any& other); any(any&& other)noexcept; template<class T> any(T&& value); template<class T,class...Args>explicit any(in_place_type_t<T>, Args&&...);template<class T,class U,class...Args>explicit any(in_place_type_t<T>, initializer_list<U>, Args&&...); ~any(); // assignments any& operator=(const any& rhs); any& operator=(any&& rhs)noexcept; template<class T> any& operator=(T&& rhs); // modifierstemplate<class T,class...Args> decay_t<T>& emplace(Args&&...);template<class T,class U,class...Args> decay_t<T>& emplace(initializer_list<U>, Args&&...);void reset()noexcept;void swap(any& rhs)noexcept; // observersbool has_value()constnoexcept;const type_info& type()constnoexcept;};}
