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    I was happy to learn about typeof, simultaneously surprised, because I had just learned about decltype in C++, and now less excited about decltype because it seems like simply putting back a useful feature first found in C and taken out of C++ for unknown reasons.

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      Bear in mind that typeof is a GNU extension and not actually part of standard C. I’m not a C++ person, but from a cursory search it appears that decltype is, in contrast, officially standardized.