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Tip of the Day
Language: C++
Expertise: Beginner
Dec 1, 1999

WEBINAR:

On-Demand

Application Security Testing: An Integral Part of DevOps


Exporting Templates Under C++

Question:
How do I create a template library so that I can export templates and use them in different programs?

Answer:
I'm not sure I understand what you mean by "export templates." You can either create a collection of .cpp files, each containing a definition (not just a declaration!) of a template, and #include it in every program that uses this template.

There is another way of doing it—namely, using the export keyword. However, at present, I don't know of any compiler that supports this feature; so, practically, there is only one way to reuse templates—the one described above.

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