[SarcevicAntonio]

IMO, separate files are clearer. I'd even argue that mixing server and client in one file with a made up framework semantics isn't the cleanest pattern that people can easily wrap their head around. Rich made this point in his most recent talk in the section about implicit DSLs.

[kalpolintrol]

What works for one person might not work for another. It's not one-size-fits all.