std::experimental::ranges::IndirectlyMovableStorable

template < class In, class Out >

concept bool IndirectlyMovableStorable =
  IndirectlyMovable<In, Out> &&
  Writable<Out, ranges::value_type_t<In>> &&
  Movable<ranges::value_type_t<In>> &&
  Constructible<ranges::value_type_t<In>, ranges::rvalue_reference_t<In>> &&

  Assignable<ranges::value_type_t<In>&, ranges::rvalue_reference_t<In>>;