FIX: Compiler Incorrectly Causes Default Constructor ReferenceLast reviewed: December 1, 1997Article ID: Q172980 |
The information in this article applies to:
SYMPTOMSWhen instantiating a class template with a member function that has a default parameter, error C2512 may be generated.
CAUSEThis behavior can occur when the default parameter is an explicitly-created temporary of the parameterized type of the template. The sample code below demonstrates this.
RESOLUTIONDo not use an explicitly-generated temporary as a default argument.
-or-Ensure that the template argument has a default constructor available.
STATUSMicrosoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. This bug has been fixed in Visual Studio 97 Service Pack 3. For more information, please see the following article in the Microsoft Knowledge Base:
ARTICLE-ID: Q170365 TITLE : INFO: Visual Studio 97 Service Packs - What, Where, and Why MORE INFORMATION
Sample
// compile options : /c template<typename T> class C { public: void fn(const T & t = T()); }; class X { public: X(int); ~X(); }; C<X> l; Keywords : CPPIss VS97FixlistSP3 Version : WINNT:5.0 Platform : winnt Issue type : kbbug Solution Type : kbfix kbservicepack |
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