__gnu_cxx::char_traits< _CharT >(3cxx)

NAME
__gnu_cxx::char_traits< _CharT > - Base class used to implement std::char_traits.

SYNOPSIS

#include <char_traits.h>

Inherited by std::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<typename _CharT>
struct __gnu_cxx::char_traits< _CharT >"Base class used to implement std::char_traits.

Note
    For any given actual character type, this definition is probably wrong. (Most of the member functions are likely to be right, but the int_type and state_type typedefs, and the eof() member function, are likely to be wrong.) The reason this class exists is so users can specialize it. Classes in namespace std may not be specialized for fundamental types, but classes in namespace __gnu_cxx may be.

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 87 of file char_traits.h.

Member Typedef Documentation

  template<typename _CharT > typedef _CharT __gnu_cxx::char_traits< _CharT >::char_type

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

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

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

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

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

Definition at line 130 of file char_traits.h.

Author

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