commons: it's dangerous to go alone, take this.

A collection of small, dependency-free functions that you might find useful.

Installing

  [spootnik/commons "0.3.1"]

Transducers (namespace: spootnik.transducers)

reductions-with

See http://dev.clojure.org/jira/browse/CLJ-1903 for rationale and details.

(is (= (sequence (reductions-with + 10 [1 2 3 4 5]) [11 13 16 20 25])))

distinct-by

A version of distinct which determines identity through an identity function.

(is (= (sequence (distinct-by :time [{:time 0 :event :a} {:time 0 :event :b} {:time 1 :event :c}]))
       [{:time 0 :event :a} {:time 1 :event :c}]))

Clock (namespace: spootnik.clock)

Useful in component systems where you might want to replace a wall clock by a controllable one. Wall clock implementation provided.

Consists of the spootnik.clock.Clock protocol and a wall clock implementation.

(epoch wall-clock) ;; => 1568196351534

License

Copyright © 2019 Pierre-Yves Ritschard. MIT/ISC License.