C++ pimpl idiom wastes an instruction vs. C style?
- by Rob
(Yes, I know that one machine instruction usually doesn't matter. I'm asking this question because I want to understand the pimpl idiom, and use it in the best possible way; and because sometimes I do care about one machine instruction.)
In the sample code below, there are two classes, Thing and
OtherThing. Users would include "thing.hh".
Thing…