Experimental library header <experimental/string_view>

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<experimental/string_view>
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This header is part of the Library Fundamentals TS ( v1 , v2 ).

Classes

Name Description
std::experimental::basic_string_view (library fundamentals TS) Class template representing a reference to a character string (class template)
std::experimental::string_view (library fundamentals TS) std:: experimental :: basic_string_view < char > (typedef)
std::experimental::wstring_view (library fundamentals TS) std:: experimental :: basic_string_view < wchar_t > (typedef)
std::experimental::u16string_view (library fundamentals TS) std:: experimental :: basic_string_view < char16_t > (typedef)
std::experimental::u32string_view (library fundamentals TS) std:: experimental :: basic_string_view < char32_t > (typedef)
std:: hash < std:: experimental :: string_view > (library fundamentals TS) (class template specialization)
std:: hash < std:: experimental :: u16string_view > (library fundamentals TS) (class template specialization)
std:: hash < std:: experimental :: u32string_view > (library fundamentals TS) (class template specialization)
std:: hash < std:: experimental :: wstring_view > (library fundamentals TS) (class template specialization)

Functions

lexicographically compares two views
(function template)
Output
performs stream output on views
(function template)

Synopsis 

namespace std {
  namespace experimental {
  inline namespace fundamentals_v1 {
 
    // 7.2, Class template basic_string_view
    template<class CharT, class Traits = char_traits<CharT>>
        class basic_string_view;
 
    // 7.9, basic_string_view non-member comparison functions
    template<class CharT, class Traits>
    constexpr bool operator==(basic_string_view<CharT, Traits> x,
                              basic_string_view<CharT, Traits> y) noexcept;
    template<class CharT, class Traits>
    constexpr bool operator!=(basic_string_view<CharT, Traits> x,
                              basic_string_view<CharT, Traits> y) noexcept;
    template<class CharT, class Traits>
    constexpr bool operator< (basic_string_view<CharT, Traits> x,
                                 basic_string_view<CharT, Traits> y) noexcept;
    template<class CharT, class Traits>
    constexpr bool operator> (basic_string_view<CharT, Traits> x,
                              basic_string_view<CharT, Traits> y) noexcept;
    template<class CharT, class Traits>
    constexpr bool operator<=(basic_string_view<CharT, Traits> x,
                                 basic_string_view<CharT, Traits> y) noexcept;
    template<class CharT, class Traits>
    constexpr bool operator>=(basic_string_view<CharT, Traits> x,
                              basic_string_view<CharT, Traits> y) noexcept;
    // /* see description */, sufficient additional overloads of comparison functions
 
    // 7.10, Inserters and extractors
    template<class CharT, class Traits>
      basic_ostream<CharT, Traits>&
        operator<<(basic_ostream<CharT, Traits>& os,
                   basic_string_view<CharT, Traits> str);
 
    // basic_string_view typedef names
    typedef basic_string_view<char> string_view;
    typedef basic_string_view<char16_t> u16string_view;
    typedef basic_string_view<char32_t> u32string_view;
    typedef basic_string_view<wchar_t> wstring_view;
 
  }  // namespace fundamentals_v1
  }  // namespace experimental
 
  // 7.11, Hash support
  template <class T> struct hash;
  template <> struct hash<experimental::string_view>;
  template <> struct hash<experimental::u16string_view>;
  template <> struct hash<experimental::u32string_view>;
  template <> struct hash<experimental::wstring_view>;
 
}  // namespace std
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