__gnu_cxx::char_traits< _CharT >(3cxx) __gnu_cxx::char_traits< _CharT >(3cxx)
NAME
__gnu_cxx::char_traits< _CharT > - Base class used to implement
std::char_traits.
SYNOPSIS
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 constexpr void assign (char_type &__c1, const char_type &__c2)
static constexpr char_type * assign (char_type *__s, std::size_t __n,
char_type __a)
static constexpr int compare (const char_type *__s1, const char_type
*__s2, std::size_t __n)
static constexpr 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 constexpr const char_type * find (const char_type *__s,
std::size_t __n, const char_type &__a)
static constexpr std::size_t length (const char_type *__s)
static constexpr bool lt (const char_type &__c1, const char_type &__c2)
static constexpr 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.
Author
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libstdc++ Sat May 13gnu2cxx::char_traits< _CharT >(3cxx)
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