Compiler Error C3457
Visual Studio 2015
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The latest version of this topic can be found at Compiler Error C3457.
attribute': attribute does not support unnamed arguments
Source annotation attributes, unlike CLR custom attribute or compiler attributes, only support named arguments.
The following sample generates C3457.
#include "SourceAnnotations.h" [vc_attributes::Post( 1 )] int f(); // C3457 [vc_attributes::Post( Valid=vc_attributes::Yes )] int f2(); // OK
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