Programming-Idioms

Edit summary for version 43 by Alexander:
New Clojure implementation by user [Alexander]

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2018-02-14, 15:39:34

2019-02-16, 17:39:04

Idiom #28 Sort by a property

Sort elements of array-like collection items in ascending order of x.p, where p is a field of the type Item of the objects in items.

Sort elements of array-like collection items in ascending order of x.p, where p is a field of the type Item of the objects in items.

(def items [{:p 1 :q 2}
            {:p 3 :q 1} 
            {:p 2 :q 3}])

(sort-by :p items)

Clojure keywords also act as functions that look up the value of their key in associative data structures

https://clojuredocs.org/clojure.core/sort-by

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