HasKeyMap - a combination of set + map for elements implementing HasKey [1032972]

< > BotCompany Repo | #1032972 // HasKeyMap - a combination of set + map for elements implementing HasKey

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

sclass HasKeyMap<A, B extends HasKey<A>> /*extends AbstractMap<A, B>*/ implements Iterable<B> {
  new Map<A, B> map;
  
  *() {}
  //*(Map<A, B> map) { putAll(this.map, map); }
  *(Iterable<B> l) { addAll(l); }
  
  void addAll(Iterable<B> l) {
    fOr (b : l) if (b != null) map.put(b.key(), b);
  }
  
  public Iterator<B> iterator() { ret valueIterator(map); }
  
  A firstKey() { ret main firstKey(map); }
  
  public int size() { ret map.size(); }
  
  Set<A> keys aka keySet() { ret map.keySet(); }
}

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Snippet ID:

#1032972

Snippet name:

HasKeyMap - a combination of set + map for elements implementing HasKey

Eternal ID of this version:

#1032972/13

Text MD5:

4bca81cb3b4741fa7d418a493f85dc10

Transpilation MD5:

107246c97a98e2ac67aefef15301051f

Author:

stefan

Category:

javax / stefan's os

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2021-10-18 04:18:04

Source code size:

524 bytes / 19 lines

Pitched / IR pitched:

No / No

Views / Downloads:

118 / 225

Version history:

12 change(s)

Referenced in:

[show references]

1	sclass HasKeyMap<A, B extends HasKey<A>> /extends AbstractMap<A, B>/ implements Iterable<B> {
2	new Map<A, B> map;
3
4	*() {}
5	//*(Map<A, B> map) { putAll(this.map, map); }
6	*(Iterable<B> l) { addAll(l); }
7
8	void addAll(Iterable<B> l) {
9	fOr (b : l) if (b != null) map.put(b.key(), b);
10	}
11
12	public Iterator<B> iterator() { ret valueIterator(map); }
13
14	A firstKey() { ret main firstKey(map); }
15
16	public int size() { ret map.size(); }
17
18	Set<A> keys aka keySet() { ret map.keySet(); }
19	}