std::experimental::ranges::is_swappable_with,std::experimental::ranges::is_swappable,(3)

NAME
std::experimental::ranges::is_swappable_with,std::experimental::ranges::is_swappable, - std::experimental::ranges::is_swappable_with,std::experimental::ranges::is_swappable,

Synopsis
                     std::experimental::ranges::is_nothrow_swappable
   Defined in header <experimental/ranges/type_traits>
   template< class T, class U > (1) (ranges TS)
   struct is_swappable_with;
   template< class T > (2) (ranges TS)
   struct is_swappable;
   template< class T, class U > (3) (ranges TS)
   struct is_nothrow_swappable_with;
   template< class T > (4) (ranges TS)
   struct is_nothrow_swappable;
   1) If the expressions ranges::swap(std::declval<T>(), std::declval<U>()) and
   ranges::swap(std::declval<U>(), std::declval<T>()) are both well-formed when treated
   as an unevaluated operand, provides the member constant value equal true. Otherwise,
   value is false. Access checks are performed as if from a context unrelated to either
   type.
   2) If T is not a referenceable type (i.e., possibly cv-qualified void or a function
   type with a cv-qualifier-seq or a ref-qualifier), provides a member constant value
   equal to false. Otherwise, provides a member constant value equal to
   ranges::is_swappable_with<T&, T&>::value.
   3) Same as (1), but evaluations of both expressions from (1) are known not to throw
   exceptions.
   4) Same as (2), but uses is_nothrow_swappable_with.
   T and U shall each be a complete type, (possibly cv-qualified) void, or an array of
   unknown bound. Otherwise, the behavior is undefined.

Member constants
   value true if T is swappable with U, false otherwise
   [static] (public static member constant)

Member functions
   operator bool converts the object to bool, returns value
                 (public member function)
   operator() returns value
   (C++14) (public member function)

Member types
   Type Definition
   value_type bool
   type std::integral_constant<bool, value>

Notes
   This trait does not check anything outside the immediate context of the swap
   expressions: if the use of T or U would trigger template specializations, generation
   of implicitly-defined special member functions etc, and those have errors, the
   actual swap may not compile even if ranges::is_swappable_with<T,U>::value compiles
   and evaluates to true.

Example
    This section is incomplete
    Reason: no example

See also
   Swappable specifies that a type can be swapped or that two types can
   SwappableWith be swapped with each other
                        (concept)
   is_swappable_with
   is_swappable
   is_nothrow_swappable_with checks if objects of a type can be swapped with objects of
   is_nothrow_swappable same or different type
   (C++17) (class template)
   (C++17)
   (C++17)
   (C++17)

Category:
     * Todo no example