The last approach seems to me the most elegant, but ... I would need 3 files).
You might look into AutoSplit and AutoLoader.
Not used much these days, but they seem ideally placed to address your "one file -- only compile the bits I need" requirement.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
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