dropLast function (drop last elements of array/list/string) [1000719]

< > BotCompany Repo | #1000719 // dropLast function (drop last elements of array/list/string)

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

static <A> A[] dropLast(A[] a, int n default 1) {
  if (a == null) null;
  n = Math.min(n, a.length);
  A[] b = arrayOfSameType(a, a.length-n);
  System.arraycopy(a, 0, b, 0, b.length);
  ret b;
}

static <A> L<A> dropLast(L<A> l) {
  ret subList(l, 0, l(l)-1);
}

static <A> L<A> dropLast(int n, L<A> l) {
  ret subList(l, 0, l(l)-n);
}

static <A> L<A> dropLast(Iterable<A> l) {
  ret dropLast(asList(l));
}

static S dropLast(S s) {
  ret substring(s, 0, l(s)-1);
}

static S dropLast(S s, int n) {
  ret substring(s, 0, l(s)-n);
}

static S dropLast(int n, S s) {
  ret dropLast(s, n);
}

Author comment

Began life as a copy of #1000705

Travelled to 16 computer(s): aoiabmzegqzx, bhatertpkbcr, cbybwowwnfue, cfunsshuasjs, ekrmjmnbrukm, gwrvuhgaqvyk, ishqpsrjomds, lpdgvwnxivlt, mowyntqkapby, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tslmcundralx, tvejysmllsmz, vouqrxazstgt, xrpafgyirdlv

Snippet ID:

#1000719

Snippet name:

dropLast function (drop last elements of array/list/string)

Eternal ID of this version:

#1000719/9

Text MD5:

7f4ea095e27006e7f7958a71d05215f7

Transpilation MD5:

cb25bbeb95b8b3dc94f5e451c6906f56

Author:

stefan

Category:

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2020-07-11 18:49:57

Source code size:

623 bytes / 31 lines

Pitched / IR pitched:

No / No

Views / Downloads:

1361 / 2158

Version history:

8 change(s)

Referenced in:

[show references]

1	static <A> A[] dropLast(A[] a, int n default 1) {
2	if (a == null) null;
3	n = Math.min(n, a.length);
4	A[] b = arrayOfSameType(a, a.length-n);
5	System.arraycopy(a, 0, b, 0, b.length);
6	ret b;
7	}
8
9	static <A> L<A> dropLast(L<A> l) {
10	ret subList(l, 0, l(l)-1);
11	}
12
13	static <A> L<A> dropLast(int n, L<A> l) {
14	ret subList(l, 0, l(l)-n);
15	}
16
17	static <A> L<A> dropLast(Iterable<A> l) {
18	ret dropLast(asList(l));
19	}
20
21	static S dropLast(S s) {
22	ret substring(s, 0, l(s)-1);
23	}
24
25	static S dropLast(S s, int n) {
26	ret substring(s, 0, l(s)-n);
27	}
28
29	static S dropLast(int n, S s) {
30	ret dropLast(s, n);
31	}