AutoGrowingList - this only grows on set [1031197]

< > BotCompany Repo | #1031197 // AutoGrowingList - this only grows on set

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

persistable sclass AutoGrowingList<A> extends RandomAccessAbstractList<A> {
  new L<A> list;
  IF1<Int, A> createEmptyElement; // optional, takes index and produces element
  
  *(IF1<Int, A> *createEmptyElement) {}
  *(IF0<A> createEmptyElement) { this(if0ToIF1(createEmptyElement)); }
  
  public int size() { ret list.size(); }
  public A get(int i) { ret list.get(i); }
  
  public A set(int i, A a) {
    while (i > size())
      list.add(createEmptyElement?.get(i));
    if (i == size()) {
      add(a);
      null;
    } else
      ret list.set(i, a);
  };
  
  public bool add(A a) { ret list.add(a); }
}

Author comment

Began life as a copy of #1030633

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

Snippet ID:

#1031197

Snippet name:

AutoGrowingList - this only grows on set

Eternal ID of this version:

#1031197/10

Text MD5:

5badc0313b4e16cd44fb40bfc2c8cf94

Transpilation MD5:

a7cb4c58db8c31592117023727d531ce

Author:

stefan

Category:

javax

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2021-05-20 02:42:48

Source code size:

633 bytes / 22 lines

Pitched / IR pitched:

No / No

Views / Downloads:

227 / 430

Version history:

9 change(s)

Referenced in:

[show references]

1	persistable sclass AutoGrowingList<A> extends RandomAccessAbstractList<A> {
2	new L<A> list;
3	IF1<Int, A> createEmptyElement; // optional, takes index and produces element
4
5	(IF1<Int, A> createEmptyElement) {}
6	*(IF0<A> createEmptyElement) { this(if0ToIF1(createEmptyElement)); }
7
8	public int size() { ret list.size(); }
9	public A get(int i) { ret list.get(i); }
10
11	public A set(int i, A a) {
12	while (i > size())
13	list.add(createEmptyElement?.get(i));
14	if (i == size()) {
15	add(a);
16	null;
17	} else
18	ret list.set(i, a);
19	};
20
21	public bool add(A a) { ret list.add(a); }
22	}