std::to_string

 

C++

Lenguaje

Cabeceras

Conceptos

Biblioteca de utilidades

Biblioteca de cadenas

Biblioteca de contenedores

Biblioteca de algoritmos

Biblioteca de iteradores

Biblioteca numérica

Biblioteca de entrada/salida

Biblioteca de localización

Biblioteca de expresiones regulares(C++11)

Biblioteca de operaciones atómicas(C++11)

Biblioteca de tareas/subprocesos(C++11)

 

Strings biblioteca

Terminadas en nulo Original: Null-terminated strings The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Cadenas de bytes

Multibyte cuerdas

Cadenas anchas

Clases Original: Classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string

char_traits

 

std::basic_string

Las funciones miembro Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::basic_string

basic_string::operator=

basic_string::assign

basic_string::get_allocator

Elemento acceso Original: Element access The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::at

basic_string::operator[]

basic_string::front (C++11)

basic_string::back (C++11)

basic_string::data

basic_string::c_str

Los iteradores Original: Iterators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::begin basic_string::cbegin (C++11)

basic_string::end basic_string::cend (C++11)

basic_string::rbegin basic_string::crbegin (C++11)

basic_string::rend basic_string::crend (C++11)

Capacidad Original: Capacity The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::empty

basic_string::size

basic_string::length

basic_string::max_size

basic_string::reserve

basic_string::capacity

basic_string::shrink_to_fit (C++11)

Operaciones Original: Operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::clear

basic_string::insert

basic_string::erase

basic_string::push_back

basic_string::pop_back (C++11)

basic_string::append

basic_string::operator+=

basic_string::compare

basic_string::replace

basic_string::substr

basic_string::copy

basic_string::resize

basic_string::swap

Buscar Original: Search The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::find

basic_string::rfind

basic_string::find_first_of

basic_string::find_first_not_of

basic_string::find_last_of

basic_string::find_last_not_of

Constantes Original: Constants The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::npos

Terceros funciones Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

operator+

operator== operator!= operator< operator> operator<= operator>=

swap(std::basic_string)

operator<< operator>>

getline

stoi stol stoll (C++11) (C++11) (C++11)

stoul stoull (C++11) (C++11)

stof stod stold (C++11) (C++11) (C++11)

to_string (C++11)

to_wstring (C++11)

Clases de ayuda Original: Helper classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

hash<std::string> hash<std::wstring> hash<std::u32string> hash<std::u16string> (C++11)

 

Defined in header <string>
std::string to_string(int value );	(1)	(desde C++11)
std::string to_string(long value );	(2)	(desde C++11)
std::string to_string(longlong value );	(3)	(desde C++11)
std::string to_string(unsigned value );	(4)	(desde C++11)
std::string to_string(unsignedlong value );	(5)	(desde C++11)
std::string to_string(unsignedlonglong value );	(6)	(desde C++11)
std::string to_string(float value );	(7)	(desde C++11)
std::string to_string(double value );	(8)	(desde C++11)
std::string to_string(longdouble value );	(9)	(desde C++11)

1)

Convierte un entero decimal con signo a una cadena con el mismo contenido que lo std::sprintf(buf, "%d", value) produciría para buf suficientemente grande .

Original:

Converts a signed decimal integer to a string with the same content as what std::sprintf(buf, "%d", value) would produce for sufficiently large buf.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

2)

Convierte un entero decimal con signo a una cadena con el mismo contenido que lo std::sprintf(buf, "%ld", value) produciría para buf suficientemente grande ..

Original:

Converts a signed decimal integer to a string with the same content as what std::sprintf(buf, "%ld", value) would produce for sufficiently large buf..

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

3)

Convierte un entero decimal con signo a una cadena con el mismo contenido que lo std::sprintf(buf, "%lld", value) produciría para buf suficientemente grande .

Original:

Converts a signed decimal integer to a string with the same content as what std::sprintf(buf, "%lld", value) would produce for sufficiently large buf.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

4)

Convierte un entero decimal sin signo en una cadena con el mismo contenido que lo std::sprintf(buf, "%u", value) produciría para buf suficientemente grande .

Original:

Converts an unsigned decimal integer to a string with the same content as what std::sprintf(buf, "%u", value) would produce for sufficiently large buf.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

5)

Convierte un entero decimal sin signo en una cadena con el mismo contenido que lo std::sprintf(buf, "%lu", value) produciría para buf suficientemente grande .

Original:

Converts an unsigned decimal integer to a string with the same content as what std::sprintf(buf, "%lu", value) would produce for sufficiently large buf.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

6)

Convierte un entero decimal sin signo en una cadena con el mismo contenido que lo std::sprintf(buf, "%llu", value) produciría para buf suficientemente grande .

Original:

Converts an unsigned decimal integer to a string with the same content as what std::sprintf(buf, "%llu", value) would produce for sufficiently large buf.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

@ 7,8 @ Convierte un valor de coma flotante a una cadena con el mismo contenido que lo std::sprintf(buf, "%f", value) produciría para buf suficientemente grande .

Original:

@7,8@ Converts a floating point value to a string with the same content as what std::sprintf(buf, "%f", value) would produce for sufficiently large buf.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

9)

Convierte un valor de coma flotante a una cadena con el mismo contenido que lo std::sprintf(buf, "%Lf", value) produciría para buf suficientemente grande .

Original:

Converts a floating point value to a string with the same content as what std::sprintf(buf, "%Lf", value) would produce for sufficiently large buf.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Parámetros

value

-

un valor numérico a convertir Original: a numeric value to convert The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valor de retorno

una cadena que contiene el valor convertido

Original:

a string holding the converted value

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Ejemplo

#include <iostream>#include <string>   int main(){double f =23.43;std::string f_str = std::to_string(f);std::cout<< f_str <<'\n';}

Output:

23.430000

Ver también

to_wstring (C++11)	Convierte un valor de coma flotante o integral a wstring Original: converts an integral or floating point value to wstring The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función)