NAME

       std::char_traits< _CharT > - Basis for explicit traits specializations.

SYNOPSIS

       #include <char_traits.h>

       Inherits __gnu_cxx::char_traits< _CharT >.

       Inherited by __gnu_cxx::encoding_char_traits< _CharT >.

   Public Types
       typedef _CharT char_type
       typedef _Char_types< _CharT >::int_type int_type
       typedef _Char_types< _CharT >::off_type off_type
       typedef _Char_types< _CharT >::pos_type pos_type
       typedef _Char_types< _CharT >::state_type state_type

   Static Public Member Functions
       static _GLIBCXX14_CONSTEXPR void assign (char_type &__c1, const char_type &__c2)
       static char_type * assign (char_type *__s, std::size_t __n, char_type __a)
       static _GLIBCXX14_CONSTEXPR int compare (const char_type *__s1, const char_type *__s2,
           std::size_t __n)
       static char_type * copy (char_type *__s1, const char_type *__s2, std::size_t __n)
       static constexpr int_type eof ()
       static constexpr bool eq (const char_type &__c1, const char_type &__c2)
       static constexpr bool eq_int_type (const int_type &__c1, const int_type &__c2)
       static _GLIBCXX14_CONSTEXPR const char_type * find (const char_type *__s, std::size_t __n,
           const char_type &__a)
       static _GLIBCXX14_CONSTEXPR std::size_t length (const char_type *__s)
       static constexpr bool lt (const char_type &__c1, const char_type &__c2)
       static char_type * move (char_type *__s1, const char_type *__s2, std::size_t __n)
       static constexpr int_type not_eof (const int_type &__c)
       static constexpr char_type to_char_type (const int_type &__c)
       static constexpr int_type to_int_type (const char_type &__c)

Detailed Description

   template<class _CharT>
       struct std::char_traits< _CharT >"Basis for explicit traits specializations.

       Note
           For any given actual character type, this definition is probably wrong. Since this is
           just a thin wrapper around __gnu_cxx::char_traits, it is possible to achieve a more
           appropriate definition by specializing __gnu_cxx::char_traits.

       See
       https://gcc.gnu.org/onlinedocs/libstdc++/manual/strings.html#strings.string.character_types
       for advice on how to make use of this class for unusual character types. Also, check out
       include/ext/pod_char_traits.h.

       Definition at line 284 of file char_traits.h.

Member Typedef Documentation

   template<typename _CharT > typedef _CharT __gnu_cxx::char_traits< _CharT >::char_type
       [inherited]
       Definition at line 89 of file char_traits.h.

   template<typename _CharT > typedef _Char_types<_CharT>::int_type __gnu_cxx::char_traits<
       _CharT >::int_type [inherited]
       Definition at line 90 of file char_traits.h.

   template<typename _CharT > typedef _Char_types<_CharT>::off_type __gnu_cxx::char_traits<
       _CharT >::off_type [inherited]
       Definition at line 92 of file char_traits.h.

   template<typename _CharT > typedef _Char_types<_CharT>::pos_type __gnu_cxx::char_traits<
       _CharT >::pos_type [inherited]
       Definition at line 91 of file char_traits.h.

   template<typename _CharT > typedef _Char_types<_CharT>::state_type __gnu_cxx::char_traits<
       _CharT >::state_type [inherited]
       Definition at line 93 of file char_traits.h.

Member Function Documentation

   template<typename _CharT > static _GLIBCXX14_CONSTEXPR void __gnu_cxx::char_traits< _CharT
       >::assign (char_type & __c1, const char_type & __c2) [inline],  [static],  [inherited]
       Definition at line 96 of file char_traits.h.

   template<typename _CharT > char_traits< _CharT >::char_type * __gnu_cxx::char_traits< _CharT
       >::assign (char_type * __s, std::size_t __n, char_type __a) [static],  [inherited]
       Definition at line 204 of file char_traits.h.

   template<typename _CharT > _GLIBCXX14_CONSTEXPR int __gnu_cxx::char_traits< _CharT >::compare
       (const char_type * __s1, const char_type * __s2, std::size_t __n) [static],  [inherited]
       Definition at line 148 of file char_traits.h.

   template<typename _CharT > char_traits< _CharT >::char_type * __gnu_cxx::char_traits< _CharT
       >::copy (char_type * __s1, const char_type * __s2, std::size_t __n) [static],  [inherited]
       Definition at line 194 of file char_traits.h.

   template<typename _CharT > static constexpr int_type __gnu_cxx::char_traits< _CharT >::eof ()
       [inline],  [static],  [constexpr],  [inherited]
       Definition at line 138 of file char_traits.h.

   template<typename _CharT > static constexpr bool __gnu_cxx::char_traits< _CharT >::eq (const
       char_type & __c1, const char_type & __c2) [inline],  [static],  [constexpr],  [inherited]
       Definition at line 100 of file char_traits.h.

   template<typename _CharT > static constexpr bool __gnu_cxx::char_traits< _CharT >::eq_int_type
       (const int_type & __c1, const int_type & __c2) [inline],  [static],  [constexpr],
       [inherited]
       Definition at line 134 of file char_traits.h.

   template<typename _CharT > _GLIBCXX14_CONSTEXPR const char_traits< _CharT >::char_type *
       __gnu_cxx::char_traits< _CharT >::find (const char_type * __s, std::size_t __n, const
       char_type & __a) [static],  [inherited]
       Definition at line 172 of file char_traits.h.

   template<typename _CharT > _GLIBCXX14_CONSTEXPR std::size_t __gnu_cxx::char_traits< _CharT
       >::length (const char_type * __s) [static],  [inherited]
       Definition at line 161 of file char_traits.h.

   template<typename _CharT > static constexpr bool __gnu_cxx::char_traits< _CharT >::lt (const
       char_type & __c1, const char_type & __c2) [inline],  [static],  [constexpr],  [inherited]
       Definition at line 104 of file char_traits.h.

   template<typename _CharT > char_traits< _CharT >::char_type * __gnu_cxx::char_traits< _CharT
       >::move (char_type * __s1, const char_type * __s2, std::size_t __n) [static],  [inherited]
       Definition at line 183 of file char_traits.h.

   template<typename _CharT > static constexpr int_type __gnu_cxx::char_traits< _CharT >::not_eof
       (const int_type & __c) [inline],  [static],  [constexpr],  [inherited]
       Definition at line 142 of file char_traits.h.

   template<typename _CharT > static constexpr char_type __gnu_cxx::char_traits< _CharT
       >::to_char_type (const int_type & __c) [inline],  [static],  [constexpr],  [inherited]
       Definition at line 126 of file char_traits.h.

   template<typename _CharT > static constexpr int_type __gnu_cxx::char_traits< _CharT
       >::to_int_type (const char_type & __c) [inline],  [static],  [constexpr],  [inherited]
       Definition at line 130 of file char_traits.h.

Author

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