root-directories procedure Lassi Kortela 23 Feb 2020 10:38 UTC
I've been thinking Scheme should have this kind of procedure: Unix: (root-directories) => ("/") Windows (varies based on what drives are mounted): (root-directories) => ("C:" "D:" "G:" "Z:") Windows can also do UNC pathnames (\\somecomputer\\whatevs) but those are not as simple and fast to enumerate as drives are. It's also useful to have a (root-directory? path) procedure. That's different from enumerating the root directories, since the enumeration can change at any time as drives are mounted and unmounted. Whereas `root-directory?` is more about the syntax (on Windows, is the path syntactically a UNC path or starts with a drive letter?) I guess you could have a separate `mounted-root-directory?` predicate but I don't know whether it's useful.