cool. was wondering if this was possible the other day myself :) Good to know RH & crew have accounted for this possibility already.
s_P On Dec 11, 10:08 pm, Chouser <chou...@gmail.com> wrote: > On Thu, Dec 11, 2008 at 7:49 PM, Robert Koberg <r...@koberg.com> wrote: > > > Hi, > > > Would it be desirable to further define keywords such that it allows a > > special kind of namespacing. > > > * This could allow for more efficient (for the user) and targeted > > navigation over large, nested collections. > > * It would allow for mixing related data that might need to be treated > > in different ways. > > * It could provide the building blocks for a collection transformation > > language > > > For example: > > > :keyword or :nil:keyword - defines a keyword in a null namespace > > -- keeps backward compatibility > > -- equivalent to the XML element <foo/> (no namepsace defined) > > > ::keyword - defines a namespaced keyword in a default namespace > > -- equivalent to the XML element <foo xmlns="http://some/namespace"/> > > > :myns:keyword - defines a namespaced keyword in a named namespace > > -- equivalent to the XML element <foo xmlns:myns="http://some/namespace > > "/> > > > Perhaps a requirement for this type of thing would be that the > > namespaces need to be declared on the root element of the (nested) > > collection. > > Keywords can already be namespace-qualified: > > user=> (namespace :foo) > nil > user=> (namespace :my-ns/foo) > "my-ns" > user=> (namespace ::foo) > "user" > > The idea of using this feature to specify XML namespaces has been > discussed. Rich even adjusted the reader rules to allow fully-qualified > URLs as namespaces: > > user=> (namespace :http://n01se.net/chouser/tag) > "http://n01se.net/chouser"; > > This should allow something to parse XML and produce a tree of Clojure > collections representing it with full namespace qualifications, though to my > knowledge this hasn't been done yet. > > --Chouser --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---
