Lazy Instantiation in Singleton Design Pattern #shorts #designpatterns #javatcoding

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Lazy Instantiation in Singleton Design Pattern #shorts #designpatterns #javatcoding
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Eager and Lazy Instantiation in Singleton Design Pattern,
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so much fluff... in Clojure it's like (def lazy-singleton (delay compute-some-value)), then use it via (deref lazy-singleton) or @lazy-singleton for short. or using functions: (def lazy-singleton (memoize (fn [] (println "running once...") 'computed-value))), then just call it, like. (lazy-singleton)

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