Compiler Warning (level 1) C4836
TOC
Collapse the table of content
Expand the table of content
Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here. ArchiveDisclaimer

Compiler Warning (level 1) C4836

Error Message

nonstandard extension used : 'type' : local types or unnamed types cannot be used as template arguments

The C++ standard does not allow the use of local types as template arguments, but the Visual C++ compiler does allow this under /Ze. C4836 is an informational warning, to let you know that you are writing non-conformant code. For more information, see /Za, /Ze (Disable Language Extensions).

C4836 is off by default. See Compiler Warnings That Are Off by Default for more information.

Example

The following sample generates C4836.

// C4836.cpp
// compile with: /W1
#pragma warning(default:4836)
template <class T>
struct TA {};

struct R {
public:
   void f() {
      struct S {};
      TA<S> ta;   // C4836
   }
};

int main() {
   R r;
   r.f();
}
Show:
© 2016 Microsoft