< > BotCompany Repo | #1035959 // changeKeyAndModifyValue - change key in map, in place, modify the value correspding to key using a function

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

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static <A, B> void changeKeyAndModifyValue(Map<A, B> map, A oldKey, A newKey, IF1<B> f) {
  if (map == null || eq(oldKey, newKey) || !map.containsKey(oldKey)) ret;
  B value = map.get(oldKey);
  map.put(newKey, f.get(value));
  map.remove(oldKey);
}

Author comment

Began life as a copy of #1026311

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Travelled to 2 computer(s): elmgxqgtpvxh, mqqgnosmbjvj

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