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They do, but of course, it also needs to be generic enough.

But you can optimize their usage in your code.

They probably could save that amount of money by maybe trying different machines/providers.

I wonder what's the annual worldwide cost of parsing XML for example.

Or you can use C++ and not worry that your abstractions will cost you measurably in execution time. Of course, there's other disadvantages, but ...

Yeah... No thanks

Unless it's for something very specific, of course.

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