getOrCreate_f1 - map lookup or create from function on key [1021431]

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< > BotCompany Repo | #1021431 // getOrCreate_f1 - map lookup or create from function on key

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

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static <A, B> B getOrCreate_f1(Map<A, B> map, A key, F1<A, B> create) {
  B b = map.get(key);
  if (b == null)
    mapPut(map, key, b = callF(create, key));
  ret b;
}

static <A, B> B getOrCreate_f1(Map<A, B> map, A key, IF1<A, B> create) {
  B b = map.get(key);
  if (b == null)
    mapPut(map, key, b = callF(create, key));
  ret b;
}

Author comment

Began life as a copy of #1013935

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Snippet ID:	#1021431
Snippet name:	getOrCreate_f1 - map lookup or create from function on key
Eternal ID of this version:	#1021431/2
Text MD5:	2ae779d19677ab12356a4f96743d1169
Transpilation MD5:	b1c6faff4aaab06bf87ab4d4a76db8a7
Author:	stefan
Category:	javax
Type:	JavaX fragment (include)
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2019-08-17 16:02:15
Source code size:	349 bytes / 13 lines
Pitched / IR pitched:	No / No
Views / Downloads:	489 / 617
Version history:	1 change(s)
Referenced in:	[show references]

1	static <A, B> B getOrCreate_f1(Map<A, B> map, A key, F1<A, B> create) {
2	B b = map.get(key);
3	if (b == null)
4	mapPut(map, key, b = callF(create, key));
5	ret b;
6	}
7
8	static <A, B> B getOrCreate_f1(Map<A, B> map, A key, IF1<A, B> create) {
9	B b = map.get(key);
10	if (b == null)
11	mapPut(map, key, b = callF(create, key));
12	ret b;
13	}