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< > BotCompany Repo | #1026311 // changeKey - change key in map, in place

JavaX fragment (include)

svoid changeKey(Map map, O oldKey, O newKey) {
  if (map == null || eq(oldKey, newKey) || !map.containsKey(oldKey)) ret;
  map.put(newKey, map.get(oldKey));
  map.remove(oldKey);
}

Author comment

Began life as a copy of #1004133

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Snippet ID: #1026311
Snippet name: changeKey - change key in map, in place
Eternal ID of this version: #1026311/2
Text MD5: 1bb5fb36490a8dc9f45d2afa451731b5
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2019-12-15 19:11:23
Source code size: 184 bytes / 5 lines
Pitched / IR pitched: No / No
Views / Downloads: 165 / 217
Version history: 1 change(s)
Referenced in: #1006654 - Standard functions list 2 (LIVE, continuation of #761)
#1035959 - changeKeyAndModifyValue - change key in map, in place, modify the value correspding to key using a function