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Rafik NACCACHE 2016-10-02 08:58:29 +00:00 committed by GitHub
commit a6cb270009

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@ -44,6 +44,9 @@
"Create a new map by merging" "Create a new map by merging"
(= {:a 1 :b 2 __ __} (merge {:a 1 :b 2} {:c 3})) (= {:a 1 :b 2 __ __} (merge {:a 1 :b 2} {:c 3}))
"Specify how to handle entries with same keys when merging"
(= {:a 1 :b __ :c 3} (merge-with + {:a 1 :b 1} {:b 1 :c 3}))
"Often you will need to get the keys, but the order is undependable" "Often you will need to get the keys, but the order is undependable"
(= (list __ __ __) (= (list __ __ __)
(sort (keys { 2014 "Sochi" 2018 "PyeongChang" 2010 "Vancouver"}))) (sort (keys { 2014 "Sochi" 2018 "PyeongChang" 2010 "Vancouver"})))
@ -51,3 +54,10 @@
"You can get the values in a similar way" "You can get the values in a similar way"
(= (list __ __ __) (= (list __ __ __)
(sort (vals {2010 "Vancouver" 2014 "Sochi" 2018 "PyeongChang"})))) (sort (vals {2010 "Vancouver" 2014 "Sochi" 2018 "PyeongChang"}))))
"You can even iterate over the map entries as a seq"
(= {:a __ :b __}
(into {}
(map
(fn[[k v]] [k (inc v)])
{:a 1 :b 2})))