< > BotCompany Repo | #1024343 // sharedKeys - list of keys contained in two maps

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

Libraryless. Click here for Pure Java version (1878L/12K).

static <A> L<A> sharedKeys(Map<A, ?> a, Map<A, ?> b) {
  new L<A> l;
  if (nempty(a) && nempty(b))
    for (A key : cloneKeys(a))
      if (b.containsKey(key))
        l.add(key);
  ret l;
}

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