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canPutStrictly - return true if value can be put strictly (not overwriting anything) [1017590]

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< > BotCompany Repo | #1017590 // canPutStrictly - return true if value can be put strictly (not overwriting anything)

JavaX fragment (include)

static <A, B> bool canPutStrictly(Map<A, B> map, A key, B value) {
  if (!(map != null && key != null && value != null)) true;
  B old = map.get(key);
  ret old == null || eq(old, value);
}

Author comment

Began life as a copy of #1012146

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Snippet ID: #1017590
Snippet name: canPutStrictly - return true if value can be put strictly (not overwriting anything)
Eternal ID of this version: #1017590/1
Text MD5: ac2b55cf9395e336a94725bc0f42706e
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2018-07-28 12:15:44
Source code size: 193 bytes / 5 lines
Pitched / IR pitched: No / No
Views / Downloads: 754 / 766
Referenced in: [show references]