lazyMap_bitSet - version of lazyMap usually consuming less space [1030253]

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< > BotCompany Repo | #1030253 // lazyMap_bitSet - version of lazyMap usually consuming less space

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

Libraryless. Click here for Pure Java version (2560L/16K).

static <A, B> L<B> lambdaMapLike lazyMap_bitSet(IF1<A, B> f, L<A> l) {
  ret lazyMap_bitSet((O) f, l);
}

static L lazyMap_bitSet(fO f, fL l) {
  ret new RandomAccessAbstractList {
    final int size = l(l);
    new BitSet bitSet;
    new L data;
    
    public int size() { ret size; }
    public O get(int i) {
      if (bitSet.get(i))
        ret data.get(i);
      bitSet.set(i);
      O o = callF(f, l.get(i));
      listPut(data, i, o);
      ret o;
    }
  };
}

Author comment

Began life as a copy of #1018394

download show line numbers debug dex old transpilations

Travelled to 4 computer(s): bhatertpkbcr, mqqgnosmbjvj, pyentgdyhuwx, vouqrxazstgt

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Snippet ID:	#1030253
Snippet name:	lazyMap_bitSet - version of lazyMap usually consuming less space
Eternal ID of this version:	#1030253/2
Text MD5:	bb6511c717f0e20ab617253122ba0105
Transpilation MD5:	b4808f2613db823f3541955acdbfe26f
Author:	stefan
Category:	javax
Type:	JavaX fragment (include)
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2020-11-20 17:08:26
Source code size:	489 bytes / 21 lines
Pitched / IR pitched:	No / No
Views / Downloads:	97 / 153
Version history:	1 change(s)
Referenced in:	[show references]

1	static <A, B> L<B> lambdaMapLike lazyMap_bitSet(IF1<A, B> f, L<A> l) {
2	ret lazyMap_bitSet((O) f, l);
3	}
4
5	static L lazyMap_bitSet(fO f, fL l) {
6	ret new RandomAccessAbstractList {
7	final int size = l(l);
8	new BitSet bitSet;
9	new L data;
10
11	public int size() { ret size; }
12	public O get(int i) {
13	if (bitSet.get(i))
14	ret data.get(i);
15	bitSet.set(i);
16	O o = callF(f, l.get(i));
17	listPut(data, i, o);
18	ret o;
19	}
20	};
21	}