std::basic_stringstream::str
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< cpp | io | basic stringstream
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std::basic_string<CharT,Traits,Allocator> str()const; | (1) | |
void str(conststd::basic_string<CharT,Traits,Allocator>& new_str); | (2) | |
Gerencia o conteúdo do objeto de cadeia subjacente.
1) Original:
Manages the contents of the underlying string object.
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Retorna uma cópia da seqüência subjacente, como se chamando rdbuf()->str().
2) Original:
Returns a copy of the underlying string as if by calling rdbuf()->str().
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Substitui o conteúdo da seqüência subjacente, como se chamando rdbuf()->str(new_str).
Original:
Replaces the contents of the underlying string as if by calling rdbuf()->str(new_str).
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Índice |
[editar]Parâmetros
| new_str | - | novos conteúdos da seqüência subjacente Original: new contents of the underlying string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[editar]Valor de retorno
1)uma cópia do objeto seqüência subjacente.
2) Original:
a copy of the underlying string object.
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(Nenhum)
Original:
(none)
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[editar]Exemplo
#include <sstream>#include <iostream>int main(){int n; std::istringstream in;// could also use in("1 2") in.str("1 2"); in >> n;std::cout<<"after reading the first int from \"1 2\", the int is "<< n <<", str() = \""<< in.str()<<"\"\n"; std::ostringstream out("1 2"); out <<3;std::cout<<"after writing the int '3' to output stream \"1 2\""<<", str() = \""<< out.str()<<"\"\n"; std::ostringstream ate("1 2", std::ios_base::ate); ate <<3;std::cout<<"after writing the int '3' to append stream \"1 2\""<<", str() = \""<< ate.str()<<"\"\n";}
Saída:
after reading the first int from "1 2", the int is 1, str() = "1 2" after writing the int '3' to output stream "1 2", str() = "3 2" after writing the int '3' to append stream "1 2", str() = "1 23"
[editar]Veja também
substitui ou obtém uma cópia da seqüência de caracteres associado Original: replaces or obtains a copy of the associated character string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (of std::basic_stringbuf função pública membro) | |
