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is (T identifier == Specifier)

is (T identifier == Specifier)

Learn the use of the “is” expression when T identifier == Specifier.

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Specifier and the meaning of identifier

Works in the same way as the previous syntax. Identifier is either an alias of the type; or some other information depending on Specifier:

  • struct: alias of the type that satisfied the condition

  • union: alias of the type that ...