tion)  [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/adaptor/dsc_begin&action=edit)  
[ end  ](/w/cpp/ranges/elements_view/end "cpp/ranges/elements view/end") (C++20)  |  returns an iterator or a sentinel to the end   
(public member function)  [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/adaptor/dsc_end&action=edit)  
[ size  ](/w/cpp/ranges/elements_view/size "cpp/ranges/elements view/size") (C++20)  |  returns the number of elements. Provided only if the underlying (adapted) range satisfies [ ` sized_range ` ](/w/cpp/ranges/sized_range "cpp/ranges/sized range") .   
(public member function)  [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/adaptor/dsc_size&action=edit)  
  
#####  Inherited from  [ std::ranges::view_interface
](/w/cpp/ranges/view_interface "cpp/ranges/view interface")  
  
[ empty  ](/w/cpp/ranges/view_interface/empty "cpp/ranges/view interface/empty") (C++20)  |  returns whether the derived view is empty. Provided if it satisfies [ ` sized_range ` ](/w/cpp/ranges/sized_range "cpp/ranges/sized range") or [ ` forward_range ` ](/w/cpp/ranges/forward_range "cpp/ranges/forward range") .   
(public member function of ` std::ranges::view_interface<D> ` )  [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/view_interface/dsc_empty&action=edit)  
[ cbegin  ](/w/cpp/ranges/view_interface/cbegin "cpp/ranges/view interface/cbegin") (C++23)  |  returns a constant iterator to the beginning of the range.   
(public member function of ` std::ranges::view_interface<D> ` )  [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/view_interface/dsc_cbegin&action=edit)  
[ cend  ](/w/cpp/ranges/view_interface/cend "cpp/ranges/view interface/cend") (C++23)  |  returns a sentinel for the constant iterator of the range.   
(public member function of ` std::ranges::view_interface<D> ` )  [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/view_interface/dsc_cend&action=edit)  
[ operator bool  ](/w/cpp/ranges/view_interface/operator_bool "cpp/ranges/view interface/operator bool") (C++20)  |  returns whether the derived view is not empty. Provided if  [ ranges::empty ](/w/cpp/ranges/empty "cpp/ranges/empty") is applicable to it.   
(public member function of ` std::ranges::view_interface<D> ` )  [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/view_interface/dsc_operator_bool&action=edit)  
[ front  ](/w/cpp/ranges/view_interface/front "cpp/ranges/view interface/front") (C++20)  |  returns the first element in the derived view. Provided if it satisfies [ ` forward_range ` ](/w/cpp/ranges/forward_range "cpp/ranges/forward range") .   
(public member function of ` std::ranges::view_interface<D> ` )  [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/view_interface/dsc_front&action=edit)  
[ back  ](/w/cpp/ranges/view_interface/back "cpp/ranges/view interface/back") (C++20)  |  returns the last element in the derived view. Provided if it satisfies [ ` bidirectional_range ` ](/w/cpp/ranges/bidirectional_range "cpp/ranges/bidirectional range") and [ ` common_range ` ](/w/cpp/ranges/common_range "cpp/ranges/common range") .   
(public member function of ` std::ranges::view_interface<D> ` )  [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/view_interface/dsc_back&action=edit)  
[ operator[]  ](/w/cpp/ranges/view_interface/operator_at "cpp/ranges/view interface/operator at") (C++20)  |  returns the n  th  element in the derived view. Provided if it satisfies [ ` random_access_range ` ](/w/cpp/ranges/random_access_range "cpp/ranges/random access range") .   
(public member function of ` std::ranges::view_interface<D> ` )  [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/view_interface/dsc_operator_at&action=edit)  
  
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