24 Containers library [containers]

In subclause [container.requirements.general],

• (1.1)
  X denotes a container class containing objects of type T,
• (1.2)
  a denotes a value of type X,
• (1.3)
  b and c denote values of type (possibly const) X,
• (1.4)
  i and j denote values of type (possibly const) X​::​iterator,
• (1.5)
  u denotes an identifier,
• (1.6)
  v denotes an lvalue of type (possibly const) X or an rvalue of type const X,
• (1.7)
  s and t denote non-const lvalues of type X, and
• (1.8)
  rv denotes a non-const rvalue of type X.

The following exposition-only concept is used in the definition of containers: template<class R, class T> concept container-compatible-range = // exposition only ranges::input_range<R> && convertible_to<ranges::range_reference_t<R>, T>;