< > BotCompany Repo | #1024460 // navigableMultiSetMapValuesIterator - iterates concurrently; doesn't handle null values; only for TreeMaps for now [dev.]

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

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static <A, B> IterableIterator<B> navigableMultiSetMapValuesIterator(final MultiSetMap<A, B> mm) {
  ret iteratorFromFunction(new F0<B>() {
    Iterator<Set<B>> it = concurrentlyIterateValues((NavigableMap) mm.data);
    Iterator<B> it2;
    
    public B get() {
      while (it2 == null || !it2.hasNext()) {
        if (!it.hasNext()) null;
        it2 = iterator(asList(it.next()));
      }
      ret it2.next();
    }
  });
}

Author comment

Began life as a copy of #1013540

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