Tcl: everything's a string
Starkit: everything's a metakit
I think there are a lot of radical minimalists among Tclers, and that's a good thing (although one might ask why there needs to be more than one minimalist, or more than one kind of minimalism :)
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Some more Everything's a ...
I'm considering a mapping from array to directory, such that get/set are reead/write files, array names is glob, and so on. This is the dual of vfs's everything's a file system
This would be quite nice for persisting config arrays, and reasonably efficient by combination with Everything's a file system