[ 
https://issues.apache.org/jira/browse/STDCXX-375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12546884
 ] 

Farid Zaripov commented on STDCXX-375:
--------------------------------------

I've tried to declare the std::getline() in this testcase.
The following test fails to compile in MSVC with error: error C2027: use of 
undefined type 'std::basic_istream<_CharT>' in line 16.

-----------
#include <string>
#include <iosfwd>

namespace std {

template<class _CharT, class _Traits, class _Allocator>
basic_istream<_CharT, _Traits>&
getline (basic_istream<_CharT, _Traits>&,
         basic_string<_CharT, _Traits, _Allocator>&);

}

void test (std::istream& is)
{
    std::string str;
    std::getline (is, str);
}
-----------

But if I change the test() function to return the is, the test has compiled 
without errors.

-----------
std::istream& void test (std::istream& is)
{
    std::string str;
    return std::getline (is, str);
}
-----------



> std::getline() declared in <istream>, but should be declared in <string>
> ------------------------------------------------------------------------
>
>                 Key: STDCXX-375
>                 URL: https://issues.apache.org/jira/browse/STDCXX-375
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 21. Strings
>    Affects Versions: 4.1.3, 4.1.4
>         Environment: All
>            Reporter: Farid Zaripov
>             Fix For: 4.2.1
>
>
> The following code fails to compile with errors:
> test.cpp(7) : error C2039: 'getline' : is not a member of 'std'
> test.cpp(7) : error C3861: 'getline': identifier not found, even with 
> argument-dependent lookup
> test.cpp:
> ---------------------------
> #include <string>
> #include <iosfwd>
> void test (std::istream& is)
> {
>     std::string str;
>     std::getline (is, str);
> }
> ---------------------------
> The addition information here: 
> http://mail-archives.apache.org/mod_mbox/incubator-stdcxx-dev/200703.mbox/[EMAIL
>  PROTECTED]

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