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< > BotCompany Repo | #1028583 - lazyListFromIterator

JavaX fragment (include) [tags: use-pretranspiled]

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static <A> L<A> lazyListFromIterator(Iterator<A> it) {
  ret new RandomAccessAbstractList<A>() {
    new L<A> list;
    
    public int size() { realizeFully(); ret list.size(); }
    public A get(int i) { realizeUpTo(i); ret list.get(i); }
    
    void realizeUpTo(int i) {
      while (i >= list.size() && it.hasNext())
        list.add(it.next());
    }
    
    void realizeFully() {
      realizeUpTo(Int.MAX_VALUE);
    }
  };
}

Author comment

Began life as a copy of #1028512

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Snippet ID: #1028583
Snippet name: lazyListFromIterator
Eternal ID of this version: #1028583/1
Text MD5: 2faf2e028c128fb73c2b219c20259236
Transpilation MD5: 90564697c44d1d890fe9105b8bce5d31
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2020-06-27 19:51:50
Source code size: 451 bytes / 17 lines
Pitched / IR pitched: No / No
Views / Downloads: 26 / 51
Referenced in: [show references]

Formerly at http://tinybrain.de/1028583 & http://1028583.tinybrain.de