mapValues_withoutNulls - apply function to a map's values, drop null results [1032735]

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< > BotCompany Repo | #1032735 // mapValues_withoutNulls - apply function to a map's values, drop null results

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

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static <A, B, C> Map<A, C> mapValues_withoutNulls(Map<A, B> map, IF1<B, C> f) {
  ret mapValues_withoutNulls(f, map);
}

static <A, B, C> Map<A, C> lambdaMapLike mapValues_withoutNulls(IF1<B, C> f, Map<A, B> map) {
  Map m = similarEmptyMap(map);
  for (A key, B val : map) {
    O v = f.get(val);
    if (v != null)
      m.put(key, v);
  }
  ret m;
}

Author comment

Began life as a copy of #1004652

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Travelled to 3 computer(s): bhatertpkbcr, mowyntqkapby, mqqgnosmbjvj

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Snippet ID:	#1032735
Snippet name:	mapValues_withoutNulls - apply function to a map's values, drop null results
Eternal ID of this version:	#1032735/2
Text MD5:	09527cde2957363c06c9e235128c19b7
Transpilation MD5:	1c877a9076db0c68dcc33aa89f2bd5f5
Author:	stefan
Category:	javax
Type:	JavaX fragment (include)
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2021-10-04 03:11:35
Source code size:	364 bytes / 13 lines
Pitched / IR pitched:	No / No
Views / Downloads:	380 / 484
Version history:	1 change(s)
Referenced in:	[show references]

1	static <A, B, C> Map<A, C> mapValues_withoutNulls(Map<A, B> map, IF1<B, C> f) {
2	ret mapValues_withoutNulls(f, map);
3	}
4
5	static <A, B, C> Map<A, C> lambdaMapLike mapValues_withoutNulls(IF1<B, C> f, Map<A, B> map) {
6	Map m = similarEmptyMap(map);
7	for (A key, B val : map) {
8	O v = f.get(val);
9	if (v != null)
10	m.put(key, v);
11	}
12	ret m;
13	}