getOrCreate_f0 - map lookup or create from function on key [1024526]

13
LINES

< > BotCompany Repo | #1024526 // getOrCreate_f0 - map lookup or create from function on key

JavaX fragment (include)

static <A, B> B getOrCreate_f0(Map<A, B> map, A key, F0<B> create) {
  B b = map.get(key);
  if (b == null)
    mapPut(map, key, b = callF(create));
  ret b;
}

static <A, B> B getOrCreate_f0(Map<A, B> map, A key, IF0<B> create) {
  B b = map.get(key);
  if (b == null)
    mapPut(map, key, b = callF(create));
  ret b;
}

Author comment

Began life as a copy of #1021431

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Snippet ID:	#1024526
Snippet name:	getOrCreate_f0 - map lookup or create from function on key
Eternal ID of this version:	#1024526/1
Text MD5:	bbe0937e46609817bc5e0a9e4d96a3d9
Author:	stefan
Category:	javax
Type:	JavaX fragment (include)
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2019-08-17 16:06:24
Source code size:	333 bytes / 13 lines
Pitched / IR pitched:	No / No
Views / Downloads:	504 / 524
Referenced in:	[show references]

1	static <A, B> B getOrCreate_f0(Map<A, B> map, A key, F0<B> create) {
2	B b = map.get(key);
3	if (b == null)
4	mapPut(map, key, b = callF(create));
5	ret b;
6	}
7
8	static <A, B> B getOrCreate_f0(Map<A, B> map, A key, IF0<B> create) {
9	B b = map.get(key);
10	if (b == null)
11	mapPut(map, key, b = callF(create));
12	ret b;
13	}