std::basic_string Defined in header<string> std::stringto_string(intvalue); (1)(since C++11) std::stringto_string(longvalue); (2)(since C++11) std::stringto_string(longlongvalue); (3)(since C++11) std::stringto_string(unsignedvalue); ...
to_string 创建账户 std::to_string 在标头<string>定义 std::stringto_string(intvalue); (1)(C++11 起) std::stringto_string(longvalue); (2)(C++11 起) std::stringto_string(longlongvalue); (3)(C++11 起) std::stringto_string(unsignedvalue);...
std::bitset<N>::to_string From cppreference.com <cpp |utility |bitset (1) template<classCharT,classTraits,classAllocator> std::basic_string<CharT, Traits, Allocator> to_string(CharT zero=CharT('0'), CharT one=CharT('1'))const; ...
long double operator ""_w(long double); std::string operator ""_w(const char16_t*, size_t); unsigned operator ""_w(const char*); int main() { 1.2_w; // 调用 operator ""_w(1.2L) u"one"_w; // 调用 operator ""_w(u"one", 3) 12_w; // 调用 operator ""_w("12") ...
int stoi( const std::string& str, std::size_t* pos = 0, int base = 10 );int stoi( const std::wstring& str, std::size_t* pos = 0, int base = 10 );(1) (C++11 起)long stol( const std::string& str, std::size_t* pos = 0, int base = 10 );long stol( const std:...
a cast expression to non-reference type, such as static_cast(x), std::string{}, or (int)42; the this pointer; (this指针也是纯右值,因为this也是一个地址) a lambda expression, such as [](int x){ return x * x; }.(since C++11) ...
std::string to_string( int value ); (1) (начинаяс C++11) std::string to_string( long value ); (2) (начинаяс C++11) std::string to_string( long long value ); (3) (начинаяс C++11) std::string to_string( unsigned value ); (4) (начи...
definiert in Header<string> std::stringto_string(intvalue); (1)(seit C++11) std::stringto_string(longvalue); (2)(seit C++11) std::stringto_string(longlongvalue); (3)(seit C++11) std::stringto_string(unsignedvalue); (4)(seit C++11) ...
basic_string_view(C++17) Null-terminated strings: byte−multibyte−wide Text processing library Primitive numeric conversions(C++17) Formatting(C++20) locale−Character classification text_encoding(C++26) Regular expressions(C++11) basic_regex−Algorithms ...
常数。 示例 运行此代码 #include <iostream>#include <string>intmain(){std::strings;std::boolalpha(std::cout);std::cout<<"s.empty():"<<s.empty()<<"\ts:'"<<s<<"'\n";s="Exemplar";std::cout<<"s.empty():"<<s.empty()<<"\ts:'"<<s<<"'\n";s="";std::cout<<"s.empty...