mapPutStrictlyOrFail - fail if value cannot be put strictly (i.e. not overwriting anything) [1035359]

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

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static <A, B> void mapPutStrictlyOrFail(Map<A, B> map, A key, B value) {
  if (!(map != null && key != null && value != null)) ret;
  B old = map.get(key);
  if (old == null) { map.put(key, value); ret; }
  if (eq(old, value)) ret;
  fail("Can't overwrite key " + key + " (old value: " + old + ", new value: " + value);
}

Author comment

Began life as a copy of #1012146

download show line numbers debug dex old transpilations

Travelled to 2 computer(s): mowyntqkapby, mqqgnosmbjvj

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Snippet ID:	#1035359
Snippet name:	mapPutStrictlyOrFail - fail if value cannot be put strictly (i.e. not overwriting anything)
Eternal ID of this version:	#1035359/1
Text MD5:	43b5ecc498e3c70e4fb85c44e7d43de3
Transpilation MD5:	97a10ac489059ec9235756181286acf5
Author:	stefan
Category:	javax
Type:	JavaX fragment (include)
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2022-05-02 01:30:55
Source code size:	327 bytes / 7 lines
Pitched / IR pitched:	No / No
Views / Downloads:	104 / 147
Referenced in:	[show references]