mapToArrayOrNull [1034772]

< > BotCompany Repo | #1034772 // mapToArrayOrNull

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

static <A> O[] mapToArrayOrNull(A[] l, IF1<A, O> f) {
  if (l == null) null;
  int n = l.length;
  if (n == 0) null;
  O[] array = new[n];
  for i to n:
    array[i] = f.get(l[i]);
  ret array;
}
  
static <A> O[] lambdaMapLike mapToArrayOrNull(IF1<A, O> f, A[] l) {
  ret mapToArrayOrNull(l, f);
}

static <A> O[] mapToArrayOrNull(IF1<A, O> f, Cl<A> l) {
  int n = l(l);
  if (n == 0) null;
  O[] array = new[n];
  if (n != 0) {
    Iterator it = iterator(l);
    for i to n:
      array[i] = callF(f, it.next());
  }
  ret array;
}

static <A> O[] mapToArrayOrNull(Cl<A> l, IF1<A, O> f) {
  ret mapToArrayOrNull(l, f);
}

Author comment

Began life as a copy of #1006543

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

Snippet ID:

#1034772

Snippet name:

mapToArrayOrNull

Eternal ID of this version:

#1034772/4

Text MD5:

e8ae1eaa46f0c442574da11350aac45e

Transpilation MD5:

ada5490fcd6341d8362f5f98842822ff

Author:

stefan

Category:

javax

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2022-03-08 07:29:02

Source code size:

650 bytes / 29 lines

Pitched / IR pitched:

No / No

Views / Downloads:

83 / 134

Version history:

3 change(s)

Referenced in:

[show references]

1	static <A> O[] mapToArrayOrNull(A[] l, IF1<A, O> f) {
2	if (l == null) null;
3	int n = l.length;
4	if (n == 0) null;
5	O[] array = new[n];
6	for i to n:
7	array[i] = f.get(l[i]);
8	ret array;
9	}
10
11	static <A> O[] lambdaMapLike mapToArrayOrNull(IF1<A, O> f, A[] l) {
12	ret mapToArrayOrNull(l, f);
13	}
14
15	static <A> O[] mapToArrayOrNull(IF1<A, O> f, Cl<A> l) {
16	int n = l(l);
17	if (n == 0) null;
18	O[] array = new[n];
19	if (n != 0) {
20	Iterator it = iterator(l);
21	for i to n:
22	array[i] = callF(f, it.next());
23	}
24	ret array;
25	}
26
27	static <A> O[] mapToArrayOrNull(Cl<A> l, IF1<A, O> f) {
28	ret mapToArrayOrNull(l, f);
29	}