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std::to_string - cppreference.com

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Definido no cabeçalho `<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( long long value );`	(3)	(desde C++11)

`std::string to_string( unsigned value );`	(4)	(desde C++11)

`std::string to_string( unsigned long value );`	(5)	(desde C++11)

`std::string to_string( unsigned long long 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( long double value );`	(9)	(desde C++11)

1)

Converte um número decimal inteiro assinado para uma string com o mesmo conteúdo que std::sprintf(buf, "%d", value) iria produzir 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.

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2)

Converte um número decimal inteiro assinado para uma string com o mesmo conteúdo que std::sprintf(buf, "%ld", value) iria produzir 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..

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3)

Converte um número decimal inteiro assinado para uma string com o mesmo conteúdo que std::sprintf(buf, "%lld", value) iria produzir 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.

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4)

Converte um inteiro decimal sem sinal a uma string com o mesmo conteúdo que std::sprintf(buf, "%u", value) iria produzir 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.

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5)

Converte um inteiro decimal sem sinal a uma string com o mesmo conteúdo que std::sprintf(buf, "%lu", value) iria produzir 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.

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6)

Converte um inteiro decimal sem sinal a uma string com o mesmo conteúdo que std::sprintf(buf, "%llu", value) iria produzir 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.

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@ @ 7,8 Converte um valor de ponto flutuante para uma string com o mesmo conteúdo que std::sprintf(buf, "%f", value) iria produzir 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.

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9)

Converte um valor em ponto flutuante para uma string com o mesmo conteúdo que std::sprintf(buf, "%Lf", value) iria produzir 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.

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Parâmetros

value

-

um valor numérico para converter

Original:

a numeric value to convert

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Valor de retorno

uma string com o valor convertido

Original:

a string holding the converted value

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Exemplo

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

Saída:

Veja também


	converte um valor de ponto flutuante para integral ou `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. (função) [edit]