2010年10月05日20:30 カテゴリLightweight Languages javascript - にも無限リストを 欲しいと思って書いてみたら案外さくっと出来たので。 Demo とりあえずこんな感じ。 var facts = new Array.Lazy([1,1],function(i){ return this[this.length-1] * i }); p( facts ); p( facts[10] ); p( facts.get(10) ); p( facts ); var fibs = new Array.Lazy([0,1],function(i){ return this[this.length-2] + this[this.length-1] }); p( fibs[10] ); p( fibs.take(10) ); var natural = new
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