indexByField - returns HashMap. doesn't store null values [1002467]

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< > BotCompany Repo | #1002467 // indexByField - returns HashMap. doesn't store null values

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

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// does not store null values
static Map indexByField(Iterable c, S field) {
  new HashMap map;
  for (O a : c) {
    O val = getOpt(a, field);
    if (val != null)
      map.put(val, a);
  }
  ret map;
}

static Map mapMethodLike indexByField(S field, Iterable c) {
  ret indexByField(c, field);
}

Author comment

Began life as a copy of #1002318

download show line numbers debug dex old transpilations

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Snippet ID:	#1002467
Snippet name:	indexByField - returns HashMap. doesn't store null values
Eternal ID of this version:	#1002467/5
Text MD5:	393325eed264686cbe7de118c03c4b58
Transpilation MD5:	8050fdd5300932e630c8ea8ed04b1299
Author:	stefan
Category:	javax
Type:	JavaX fragment (include)
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2019-02-28 15:12:27
Source code size:	311 bytes / 14 lines
Pitched / IR pitched:	No / No
Views / Downloads:	1154 / 1251
Version history:	4 change(s)
Referenced in:	[show references]

1	// does not store null values
2	static Map indexByField(Iterable c, S field) {
3	new HashMap map;
4	for (O a : c) {
5	O val = getOpt(a, field);
6	if (val != null)
7	map.put(val, a);
8	}
9	ret map;
10	}
11
12	static Map mapMethodLike indexByField(S field, Iterable c) {
13	ret indexByField(c, field);
14	}