Microsoft KB Archive/241940

= BUG: C2954 Error When Using Class Template as Template-Parameter =

Article ID: 241940

Article Last Modified on 7/5/2005

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APPLIES TO


 * Microsoft Visual C++ 5.0 Enterprise Edition
 * Microsoft Visual C++ 5.0 Professional Edition
 * Microsoft Visual C++ 6.0 Enterprise Edition
 * Microsoft Visual C++ 6.0 Professional Edition
 * Microsoft Visual C++ 6.0 Standard Edition

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This article was previously published under Q241940



SYMPTOMS
The following error message may appear if you try to use a class template as a template-parameter:

error C2954: template definitions cannot nest

error C2951: template declarations are only permitted at global or namespace scope

error C2226: syntax error : unexpected type 'C'

error C2143: syntax error : missing '>' before '{'

error C2059: syntax error : ''



CAUSE
The compiler does not support template template-parameters as specified in the C++ Standard.



STATUS
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.



Steps to Reproduce Behavior
The following sample code demonstrates the error: //test.cpp // compiler option needed: none

template class myarray { /* ... */ }; template class C = myarray> class Map { C key; C value; };

Keywords: kbbug kblangcpp kbcpponly kbcompiler KB241940

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