On Wed, Sep 28, 2011 at 7:29 PM, Michael Jaaka
<michael.ja...@googlemail.com> wrote:
> Do you know any lib for making diff from nested structures?
> (diff [ 1 2 3 { 2 3 4 [ 1 2 { 1 2 3 4} ] } #{ 4 5 } ] [ 1 3 { 2 3 4 [ 1 4 {
> 2 2 3 5} ] } #{ 4 5 } ] )
> -> [ 2 { [ 2 { 1 2 3 4 } ] } ]
> as you can see it behaves like clojure.set/difference
> and better if you would point the keys in map to keep remaining
> (diff [ 1 2 3 { 2 3 4 [ 1 2 { 1 2 3 4 :tag "me" } ] } #{ 4 5 } ] [ 1 3 { 2
> 3 4 [ 1 4 { 2 2 3 5 :tag "me" } ] } #{ 4 5 } ] :keep [ :tag ] )
> -> [ 2 { [ 2 { 1 2 3 4 :tag "me" } ] } ]
> This tool would allow to compare XML documents in form got from reading them
> by clojure.xml lib.
Clojure now has clojure.data/diff to accomplish this task -
https://github.com/clojure/clojure/blob/master/src/clj/clojure/data.clj
Regards,
BG
--
Baishampayan Ghose
b.ghose at gmail.com
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