A structure that specifies which of a number of permitted data types (e.g. integers) that may be stored in its instances is:

1 answer:

4 0

A union is a data type that allows you to define that different data types take up the same space (e.g., an int and a float).

Usually this is not a very safe way of programming, but there can be specific reasons to do it.

- edit: I deliberately give the definition of a union here, because the question can be interpreted in multiple ways. So I see how you could interpret the question as the definition of a linked list as well.

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