This header is part of the strings library.
Includes
<initializer_list> | (since C++11) |
Classes
| Name | Description |
|---|---|
std::char_traits | Class Template which describes properties of a character type (class template) |
std::char_traits<char> | (class template specialization) |
std::char_traits<wchar_t> | (class template specialization) |
std::char_traits<char16_t> (C++11) | (class template specialization) |
std::char_traits<char32_t> (C++11) | (class template specialization) |
std::basic_string | Class template representing a text string object (class template) |
std::string | std::basic_string<char> (typedef) |
std::wstring | std::basic_string<wchar_t> (typedef) |
std::u16string (C++11) | std::basic_string<char16_t> (typedef) |
std::u32string (C++11) | std::basic_string<char32_t> (typedef) |
std::hash<std::string> (C++11) | (class template specialization) |
std::hash<std::u16string> (C++11) | (class template specialization) |
std::hash<std::u32string> (C++11) | (class template specialization) |
std::hash<std::wstring> (C++11) | (class template specialization) |
Functions
| operator+
| concatenates two strings or a string and a char (function template) |
| lexicographically compares two strings (function template) | |
specializes the std::swap algorithm (function template) | |
Input/output | |
| performs stream input and output on strings (function template) | |
| read data from an I/O stream into a string (function template) | |
Numeric conversions | |
| (C++11)(C++11)(C++11) | converts a string to a signed integer (function) |
| (C++11)(C++11) | converts a string to an unsigned integer (function) |
| (C++11)(C++11)(C++11) | converts a string to a floating point value (function) |
| (C++11) | converts an integral or floating point value to string (function) |
| (C++11) | converts an integral or floating point value to wstring (function) |
Literals
| Defined in inline namespace std::literals::string_literals | |
|---|---|
| (C++14) | Converts a character array literal to basic_string (function) |
Synopsis
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 | #include <initializer_list> namespace std { // character traits: template<class charT> struct char_traits; template <> struct char_traits<char>; template <> struct char_traits<char16_t>; template <> struct char_traits<char32_t>; template <> struct char_traits<wchar_t>; // basic_string: template<class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > class basic_string; template<class charT, class traits, class Allocator> basic_string<charT,traits,Allocator> operator+(const basic_string<charT,traits,Allocator>& lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> basic_string<charT,traits,Allocator> operator+(basic_string<charT,traits,Allocator>&& lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> basic_string<charT,traits,Allocator> operator+(const basic_string<charT,traits,Allocator>& lhs, basic_string<charT,traits,Allocator>&& rhs); template<class charT, class traits, class Allocator> basic_string<charT,traits,Allocator> operator+(basic_string<charT,traits,Allocator>&& lhs, basic_string<charT,traits,Allocator>&& rhs); template<class charT, class traits, class Allocator> basic_string<charT,traits,Allocator> operator+(const charT* lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> basic_string<charT,traits,Allocator> operator+(const charT* lhs, basic_string<charT,traits,Allocator>&& rhs); template<class charT, class traits, class Allocator> basic_string<charT,traits,Allocator> operator+(charT lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> basic_string<charT,traits,Allocator> operator+(charT lhs, basic_string<charT,traits,Allocator>&& rhs); template<class charT, class traits, class Allocator> basic_string<charT,traits,Allocator> operator+(const basic_string<charT,traits,Allocator>& lhs, const charT* rhs); template<class charT, class traits, class Allocator> basic_string<charT,traits,Allocator> operator+(basic_string<charT,traits,Allocator>&& lhs, const charT* rhs); template<class charT, class traits, class Allocator> basic_string<charT,traits,Allocator> operator+(const basic_string<charT,traits,Allocator>& lhs, charT rhs); template<class charT, class traits, class Allocator> basic_string<charT,traits,Allocator> operator+(basic_string<charT,traits,Allocator>&& lhs, charT rhs); template<class charT, class traits, class Allocator> bool operator==(const basic_string<charT,traits,Allocator>& lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator==(const charT* lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator==(const basic_string<charT,traits,Allocator>& lhs const charT* rhs); template<class charT, class traits, class Allocator> bool operator!=(const basic_string<charT,traits,Allocator>& lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator!=(const charT* lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator!=(const basic_string<charT,traits,Allocator>& lhs, const charT* rhs); template<class charT, class traits, class Allocator> bool operator< (const basic_string<charT,traits,Allocator>& lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator< (const basic_string<charT,traits,Allocator>& lhs, const charT* rhs); template<class charT, class traits, class Allocator> bool operator< (const charT* lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator> (const basic_string<charT,traits,Allocator>& lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator> (const basic_string<charT,traits,Allocator>& lhs, const charT* rhs); template<class charT, class traits, class Allocator> bool operator> (const charT* lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator<=(const basic_string<charT,traits,Allocator>& lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator<=(const basic_string<charT,traits,Allocator>& lhs, const charT* rhs); template<class charT, class traits, class Allocator> bool operator<=(const charT* lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator>=(const basic_string<charT,traits,Allocator>& lhs, const basic_string<charT,traits,Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator>=(const basic_string<charT,traits,Allocator>& lhs, const charT* rhs); template<class charT, class traits, class Allocator> bool operator>=(const charT* lhs, const basic_string<charT,traits,Allocator>& rhs); // swap: template<class charT, class traits, class Allocator> void swap(basic_string<charT,traits,Allocator>& lhs, basic_string<charT,traits,Allocator>& rhs); // inserters and extractors: template<class charT, class traits, class Allocator> basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&& is, basic_string<charT,traits,Allocator>& str); template<class charT, class traits, class Allocator> basic_ostream<charT, traits>& operator<<(basic_ostream<charT, traits>&& os, const basic_string<charT,traits,Allocator>& str); template<class charT, class traits, class Allocator> basic_istream<charT,traits>& getline(basic_istream<charT,traits>& is, basic_string<charT,traits,Allocator>& str, charT delim); template<class charT, class traits, class Allocator> basic_istream<charT,traits>& getline(basic_istream<charT,traits>&& is, basic_string<charT,traits,Allocator>& str, charT delim); template<class charT, class traits, class Allocator> basic_istream<charT,traits>& getline(basic_istream<charT,traits>& is, basic_string<charT,traits,Allocator>& str); template<class charT, class traits, class Allocator> basic_istream<charT,traits>& getline(basic_istream<charT,traits>&& is, basic_string<charT,traits,Allocator>& str); // basic_string typedef names typedef basic_string<char> string; typedef basic_string<char16_t> u16string; typedef basic_string<char32_t> u32string; typedef basic_string<wchar_t> wstring; // numeric conversions: int stoi(const string& str, size_t *idx = 0, int base = 10); long stol(const string& str, size_t *idx = 0, int base = 10); unsigned long stoul(const string& str, size_t *idx = 0, int base = 10); long long stoll(const string& str, size_t *idx = 0, int base = 10); unsigned long long stoull(const string& str, size_t *idx = 0, int base = 10); float stof(const string& str, size_t *idx = 0); double stod(const string& str, size_t *idx = 0); long double stold(const string& str, size_t *idx = 0); string to_string(int val); string to_string(unsigned val); string to_string(long val); string to_string(unsigned long val); string to_string(long long val); string to_string(unsigned long long val); string to_string(float val); string to_string(double val); string to_string(long double val); int stoi(const wstring& str, size_t *idx = 0, int base = 10); long stol(const wstring& str, size_t *idx = 0, int base = 10); unsigned long stoul(const wstring& str, size_t *idx = 0, int base = 10); long long stoll(const wstring& str, size_t *idx = 0, int base = 10); unsigned long long stoull(const wstring& str, size_t *idx = 0, int base = 10); float stof(const wstring& str, size_t *idx = 0); double stod(const wstring& str, size_t *idx = 0); long double stold(const wstring& str, size_t *idx = 0); wstring to_wstring(int val); wstring to_wstring(unsigned val); wstring to_wstring(long val); wstring to_wstring(unsigned long val); wstring to_wstring(long long val); wstring to_wstring(unsigned long long val); wstring to_wstring(float val); wstring to_wstring(double val); wstring to_wstring(long double val); // hash support: template <class T> struct hash; template <> struct hash<string>; template <> struct hash<u16string>; template <> struct hash<u32string>; template <> struct hash<wstring>; inline namespace literals { inline namespace string_literals { string operator "" s(const char* str, size_t len); u16string operator "" s(const char16_t* str, size_t len); u32string operator "" s(const char32_t* str, size_t len); wstring operator "" s(const wchar_t* str, size_t len); } // inline namespace string_literals } // inline namespace literals} // namespace std |
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