std::u32string (C++11) std::basic_string<char32_t> (typedef) std::wstring std::basic_string<wchar_t> (typedef) std::pmr::basic_string (C++17) (别名模板) std::pmr::string (C++17) std::pmr::basic_string<char> (typedef) ...
__cpp_lib_to_string202306L(C++26)Redefiningstd::to_stringin terms ofstd::format Example Run this code #include <cstdio>#include <format>#include <initializer_list>#include <iostream>#include <string>#if __cpp_lib_to_string >= 202306Lconstexprautorevision(){return" (post C++26)";}#...
Defined in header<string> TypeDefinition std::stringstd::basic_string<char> std::wstringstd::basic_string<wchar_t> std::u8string(C++20)std::basic_string<char8_t> std::u16string(C++11)std::basic_string<char16_t> std::u32string(C++11)std::basic_string<char32_t> ...
C++的标准只是规定了string这个类需要提供这些API和它们的行为。但标准并没有规定到每次字符的分配应该预留...
,其实就是设置引用计数为0 * 同时在最后添加一个结束符\0 */ void _M_set_length_and_sharable(size_type __n) _GLIBCXX_NOEXCEPT { #if _GLIBCXX_FULLY_DYNAMIC_STRING == 0 if (__builtin_expect(this != &_S_empty_rep(), false)) #endif { this->_M_set_sharable(); // One reference....
egin获取第一个字符的迭代器 + end获取最后一个字符下一个位置的迭代器 rbegin + rend begin获取第一个字符的迭代器 + end获取最后一个字符下一个位置的迭代器 范围for C++11支持,最终替换成迭代器 使用示例: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 void Teststring5() { string s1("hello co...
namespacestd{template<classCharT,classTraits=char_traits<CharT>>classbasic_string_view{public:// 类型usingTraits_type=Traits;usingvalue_type=CharT;usingpointer=value_type*;usingconst_pointer=constvalue_type*;usingreference=value_type&;usingconst_reference=constvalue_type&;usingconst_iterator=/* 由实现...
A list of popular string functions can be found in the table below.FunctionDescription at() Returns an indexed character from a string length() Returns the length of a string size() Alias of length(). Returns the length of a string max_size() Returns the maximum length of a string ...
In all cases, equality is checked by callingTraits::eq. Parameters str-string to search for pos-position at which to begin searching count-length of substring to search for s-pointer to a character string to search for ch-character to search for ...
* included in the C++ string library. */ #ifndef _strlib_h #define _strlib_h #include <iostream> #include <string> /* * Function: integerToString * Usage: string s = integerToString(n); * --- * Converts an integer into the corresponding string ...