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POerror C2248: 'std::basic_ios<_Elem,_Traits>::basic_ios' : cannot access private member declared in class 'std::basic_ios<_Elem,_Traits>'
 

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  1. POerror C2248: 'std::basic_ios<_Elem,_Traits>::basic_ios' : cannot access private member declared in class 'std::basic_ios<_Elem,_Traits>'
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    <p>I am unable to understand this error.This error is not in the class that i am debugging . <em>(Is it ?)</em> The error is : </p> <pre><code>c:\program files\microsoft visual studio 10.0\vc\include\fstream(890): error C2248: 'std::basic_ios&lt;_Elem,_Traits&gt;::basic_ios' : cannot access private member declared in class 'std::basic_ios&lt;_Elem,_Traits&gt;' 1&gt; with 1&gt; [ 1&gt; _Elem=char, 1&gt; _Traits=std::char_traits&lt;char&gt; 1&gt; ] 1&gt; c:\program files\microsoft visual studio 10.0\vc\include\ios(176) : see declaration of 'std::basic_ios&lt;_Elem,_Traits&gt;::basic_ios' 1&gt; with 1&gt; [ 1&gt; _Elem=char, 1&gt; _Traits=std::char_traits&lt;char&gt; 1&gt; ] 1&gt; This diagnostic occurred in the compiler generated function 'std::basic_ifstream&lt;_Elem,_Traits&gt;::basic_ifstream(const std::basic_ifstream&lt;_Elem,_Traits&gt; &amp;)' 1&gt; with 1&gt; [ 1&gt; _Elem=char, 1&gt; _Traits=std::char_traits&lt;char&gt; 1&gt; ] ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ========== </code></pre> <p><em>What could be the reasons i am getting this error ? The code is too lengthy to post.</em> The compiler that i am using is <strong>Microsoft visual c++ 2010 express</strong></p> <p>EDIT:</p> <pre><code> void HostelManager::guestMonitor() { system("cls"); cout &lt;&lt; "Name of the guest : "; // cin guest cin.ignore(); getline( cin , guestName ); cout &lt;&lt; "\nWhom to meet : "; // to whom the guest wants to meet cin.ignore(); getline( cin , fullName ); string pathGND = "d:/HostelManager/studentDetails/groundFloor/" + fullName + ".txt"; string pathFST = "d:/HostelManager/studentDetails/firstFloor/" + fullName + ".txt"; string pathSND = "d:/HostelManager/studentDetails/firstFloor/" + fullName + ".txt"; ifstream checkStudentGND( pathGND ); ifstream checkStudentFST( pathFST ); ifstream checkStudentSND( pathSND ); string x = "Floor"; if( checkStudentGND ) { ifstream readRoom( pathGND ); readRoom &gt;&gt; fullName &gt;&gt; fatherName &gt;&gt; permanentAddress &gt;&gt; postalAddress &gt;&gt; x &gt;&gt; roomNumberToBeAlloted_GND; int hisRoomNumber = roomNumberToBeAlloted_GND; readRoom.close(); storeGuestData( hisRoomNumber , fullName ); // call to store guest data } else if( checkStudentFST ) { ifstream readRoom( checkStudentFST ); readRoom &gt;&gt; fullName &gt;&gt; fatherName &gt;&gt; permanentAddress &gt;&gt; postalAddress &gt;&gt; x &gt;&gt; roomNumberToBeAlloted_FST; int hisRoomNumber = roomNumberToBeAlloted_FST; storeGuestData( hisRoomNumber , fullName ); // call to store guest data } else if( checkStudentSND ) { ifstream readRoom( checkStudentSND ); readRoom &gt;&gt; fullName &gt;&gt; fatherName &gt;&gt; permanentAddress &gt;&gt; postalAddress &gt;&gt; x &gt;&gt; roomNumberToBeAlloted_SND; int hisRoomNumber = roomNumberToBeAlloted_SND; storeGuestData( hisRoomNumber , fullName ); // call to store guest data } else { string sorryMSG = "Sorry ! The student is not in this hostel" cout &lt;&lt; sorryMSG &lt;&lt; endl ; } } </code></pre> <p>The called function:</p> <pre><code> void HostelManager::storeGuestData( int hisRoomNumber , string hisName ) { cout &lt;&lt; "\nVisitor's Address : "; // cin visitor address string visitorAddress; getline( cin , visitorAddress ); cout &lt;&lt; "\nRelation with the student : "; // cin relation with student string relation; getline( cin , relation ); cout &lt;&lt; "\nEnter Month"; // cin enter month short month; cin &gt;&gt; month; cout &lt;&lt; "\nEnter Date"; // cin enter date short date; cin &gt;&gt; date; cout &lt;&lt; "\nYou can meet " &lt;&lt; hisName &lt;&lt; " in room number " &lt;&lt; hisRoomNumber &lt;&lt; endl ; string visitorPath = "d:/HostelManager/GuestMonitor/" + fullName + ".txt" ; ofstream guestEntry( visitorPath ); guestEntry &lt;&lt; "Name of Visitor : " &lt;&lt; guestName &lt;&lt; endl ; guestEntry &lt;&lt; "To meet : " &lt;&lt; fullName &lt;&lt; endl ; guestEntry &lt;&lt; "Address of visitor : " &lt;&lt; visitorAddress &lt;&lt; endl ; guestEntry &lt;&lt; "Relation with the student : " &lt;&lt; relation &lt;&lt; endl ; guestEntry &lt;&lt; "Month : " &lt;&lt; month &lt;&lt; endl ; guestEntry &lt;&lt; "Date : " &lt;&lt; date &lt;&lt; endl ; guestEntry.close(); cout &lt;&lt; "\n\n\n\nData successfully inserted"; } </code></pre> <p>Data Members:</p> <pre><code> private: string fullName; string fatherName; string permanentAddress; string postalAddress; int mobileNumbers[2][10]; double percentageMarks; int roomNumber; int roomNumberToBeAlloted_GND ; int roomNumberToBeAlloted_FST ; int roomNumberToBeAlloted_SND ; string preferredFloor; string guestName; string studentFined; string complaintAgainst; string receiverOfEmail; string senderOfEmail; string subject; public: void guestMonitor(); void storeGuestData( int hisRoomNumber , string hisName ); </code></pre>
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      1. POerror C2248: 'std::basic_ios<_Elem,_Traits>::basic_ios' : cannot access private member declared in class 'std::basic_ios<_Elem,_Traits>'
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      1. POerror C2248: 'std::basic_ios<_Elem,_Traits>::basic_ios' : cannot access private member declared in class 'std::basic_ios<_Elem,_Traits>'
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    1. COCould you at the very least post the part of the code where this error occurs ?
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      1. POerror C2248: 'std::basic_ios<_Elem,_Traits>::basic_ios' : cannot access private member declared in class 'std::basic_ios<_Elem,_Traits>'
      1. USSander De Dycker
    2. CO-1 for expecting us to mind-read the code. gonna remove -1 once a minimal testcase or at least the point of error + other relevant sections are posted.
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      1. USSebastian Mach
    3. CO@ phresnel I have edited the post
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