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template< class CharT, class Traits, class Allocator > std::basic_istream<CharT,Traits>& getline( std::basic_istream<CharT,Traits>& input, std::basic_string<CharT,Traits,Allocator>& str, CharT delim );
 (1)
template< class CharT, class Traits, class Allocator > std::basic_istream<CharT,Traits>& getline( std::basic_istream<CharT,Traits>&& input, std::basic_string<CharT,Traits,Allocator>& str, CharT delim );
 (1) ( C++11)
template< class CharT, class Traits, class Allocator > std::basic_istream<CharT,Traits>& getline( std::basic_istream<CharT,Traits>& input, std::basic_string<CharT,Traits,Allocator>& str );
 (2)
template< class CharT, class Traits, class Allocator > std::basic_istream<CharT,Traits>& getline( std::basic_istream<CharT,Traits>&& input, std::basic_string<CharT,Traits,Allocator>& str );
 (2) ( C++11)

. , , , . delim, '\n'. - .

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input

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#include <string>
#include <iostream>

int main()
{
    std::string name;
    std::cout << "  ? ";
    std::getline(std::cin, name);
    std::cout << ", " << name << ",  .";
}

: 

  ?  . 
,  . ,  .
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