< > BotCompany Repo | #1002948 // cloneTreeMap - safely clone a map as TreeMap. generously makes a new one if passed map is null

JavaX fragment (include)

static <A, B> Map<A, B> cloneTreeMap(Map<A, B> map) {
  // assume mutex is equal to collection, which will be true unless you explicitly pass a mutex to synchronizedList() which no one ever does.
  if (map == null) ret new TreeMap;
  else synchronized(map) {
    ret new TreeMap(map);
  }
}

Author comment

Began life as a copy of #1002559

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