Microsoft KB Archive/151167: Difference between revisions
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error LNK2001: unresolved external symbol | error LNK2001: unresolved external symbol "public: static int Outer<int>::Inner::sobj"(?sobj@Inner@?$Outer@H@@2HA) | ||
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Latest revision as of 10:10, 21 July 2020
Article ID: 151167
Article Last Modified on 12/2/2003
APPLIES TO
- Microsoft Visual C++ 2.0 Professional Edition
- Microsoft Visual C++ 2.1
- Microsoft Visual C++ 2.2
- Microsoft Visual C++ 4.0 Standard Edition
- Microsoft Visual C++ 4.1 Subscription
- Microsoft Visual C++ 4.2 Enterprise Edition
- Microsoft Visual C++ 5.0 Enterprise Edition
- Microsoft Visual C++ 4.2 Professional Edition
- Microsoft Visual C++ 5.0 Professional Edition
This article was previously published under Q151167
SYMPTOMS
Linker error LNK2001 is generated for static member variables of nested classes in class templates. The message states:
RESOLUTION
Do not use static member variables in nested classes of class templates.
STATUS
Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article.
MORE INFORMATION
The sample code below gives the error message LNK2001.
Sample Code
/* Compile options needed: none */ template<class T> class Outer { public: static T souter; class Inner { public: static T sobj; }; }; template <class T> double Outer<double>::souter = 1; template <class T> int Outer<int>::Inner::sobj = 5; void main() { double dval = Outer<double>::souter; int i = Outer<int>::Inner::sobj; }
Additional query words: kbVC400bug
Keywords: kbbug kbcpponly kbcompiler KB151167