I'm sure I must be missing something here because I can't believe path matching in Akka HTTP could be broken in the way it seems to be, because it would be unusable for anything other than toy applications if it was:

I'm composing route handing from a top-level handler and sub-handlers like this:

pathPrefix("root") {
  concat(
     pathPrefix("service1") { service1.route },
     pathPrefix("service2") { service2.route }
  )
}

where service1.route etc returns the sub-route for the associated sub-tree. That works fine with a path of say "/root/service1", but it *also* matches "/rootnotroot/service1", because pathPrefix() just matches any arbitrary string prefix and not a full path segment. And if I use path() instead of pathPrefix() it tries to match the entire remaining path. What I'm looking for is something along the lines of segment() where that fully matches just the next path segment and leaves the remaining path to be matched by inner routes, but there doesn't seem to be such a thing.

What am I missing?

Thanks,

--
Alan Burlison
--

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