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I have a piece of code that uses Microsoft-specific extension to the C++:
interface __declspec(uuid("F614FB00-6702-11d4-B0B7-0050BABFC904"))
ICalculator : public IUnknown
{
//...
};
What does this sentence expand to? How can I rewrite it with ANSI C++?
It’s not a macro so it doesn’t “expand” to anything. It merely decorates the type with a given UUID in the object file metadata, which can then be extracted later with the __uuidof operator.