std::char_traits<wchar_t>wchar_tstd::wint_tstd::wstreampos std::char_traits<char16_t>(C++11)char16_tstd::uint_least16_tstd::u16streampos std::char_traits<char32_t>(C++11)char32_tstd::uint_least32_tstd::u32streampos std::char_traits<char8_t>(C++20)char8_tunsignedintstd::u8stream...
标准特化定义了由字符特征(CharTraits)要求的以下成员类型: CharT成员类型 char_typeint_typeoff_typepos_typestate_type charcharintstd::streamoffstd::streamposstd::mbstate_t wchar_twchar_tstd::wint_tstd::wstreampos char8_tchar8_tunsignedintstd::u8streampos ...
* while leaving __gnu_cxx::char_traits alone. */template<typename_CharT>struct_Char_types{typedefunsignedlongint_type;typedefstd::streampos pos_type;typedefstd::streamoff off_type;typedefstd::mbstate_t state_type;}; __gnu_cxx::char_traits char_traits定义一些别名,方便使用。 /** * @brief B...
char就是char,这和int是signed int的缩写是不一样的,char的表达范围可能等同于signed char,也可能等同于unsigned char,取决于编译器,一般是等同于signed char,但这个仅仅是范围等同,就像32位上int和long范围是一样的,但不是同一个类型。
template <classcharT> struct char_traits;//std命名空间中的char_traits是一个模版类; 基础模板类的定义,类名后面没有尖括号template <> struct char_traits<char>;//包含以下两个版本的特化; 特化,空尖括号,类名后面尖括号加具体的类型template <> struct char_traits<wchar_t>; ...
#include<string>#include<iostream>#include<cctype>struct ci_char_traits:publicstd::char_traits<char>{staticcharto_upper(char ch){returnstd::toupper((unsigned char)ch);}staticbooleq(char c1,char c2){returnto_upper(c1)==to_upper(c2);}staticboollt(char c1,char c2){returnto_upper(c1)<to...
static std::size_t length( const char_type* s ); (constexpr since C++17) Returns the length of the character sequence pointed to by s, that is, the position of the terminating null character (char_type()). See CharTraits for the general requirements on character traits for X::length...
0x100005bf0 <+24>: bl 0x100005b74 ; std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::operator[](unsigned long) 0x100005bf4 <+28>: ldrsb w0, [x0] 0x100005bf8 <+32>: ldp x29, x30, [sp, #0x10] ...
char_traits::length char_traits::find char_traits::to_char_type char_traits::to_int_type char_traits::eq_int_type char_traits::eof char_traits::not_eof staticvoidassign(char_type&c1,constchar_type&c2); (1)(noexcept since C++11) ...
function 'google::dense_hashtable<std::pair<const std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, const std::basic_string<char, ...