Detecting in C++ whether a type is defined, part 1: The initial plunge

Warning to those who got here via a search engine: Don’t use this version. Keep reading to the end of the series. Suppose you want to be able to detect in C++ whether a type has been defined. For example, maybe you want to use a type if it exists. The post Detecting in C++ whether a type is defined, part 1: The initial plunge appeared first on The Old New Thing....

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