shallowClone [1001715]

< > BotCompany Repo | #1001715 // shallowClone

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

static <A> A shallowClone(A o) {
  ret (A) shallowClone_impl(o);
}

static <A> A shallowClone(A o, A emptyClone) {
  ret copyFields(o, emptyClone);
}

static O shallowClone_impl(O o) {
  if (o == null)
    return o;
    
  if (o instanceof List)
    ret cloneList((List) o);

  if (o cast Map) ret cloneMap(o);

  if (o instanceof String || o instanceof Number || o instanceof Boolean)
    return o;
    
  if (o instanceof Object[]) {
    Object[] l = (Object[]) o;
    ret l.clone();
  }
  
  // clone an arbitrary custom object
  
  O clone;
  if (o cast IMakeEmptyClone)
    clone = o.makeEmptyClone();
  else
    clone = nuEmptyObject(o.getClass());

  //print("Cloning custom: " + o);
  copyFields(o, clone);
  ret clone;
}

Author comment

Began life as a copy of #1001032

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Snippet ID:

#1001715

Snippet name:

shallowClone

Eternal ID of this version:

#1001715/9

Text MD5:

3af8208ba9e7acbd681332a6009343f6

Transpilation MD5:

37b252e7be3803c1fdea1ab79147fce3

Author:

stefan

Category:

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2022-05-05 17:34:01

Source code size:

767 bytes / 37 lines

Pitched / IR pitched:

No / No

Views / Downloads:

725 / 1012

Version history:

8 change(s)

Referenced in:

[show references]

1	static <A> A shallowClone(A o) {
2	ret (A) shallowClone_impl(o);
3	}
4
5	static <A> A shallowClone(A o, A emptyClone) {
6	ret copyFields(o, emptyClone);
7	}
8
9	static O shallowClone_impl(O o) {
10	if (o == null)
11	return o;
12
13	if (o instanceof List)
14	ret cloneList((List) o);
15
16	if (o cast Map) ret cloneMap(o);
17
18	if (o instanceof String \|\| o instanceof Number \|\| o instanceof Boolean)
19	return o;
20
21	if (o instanceof Object[]) {
22	Object[] l = (Object[]) o;
23	ret l.clone();
24	}
25
26	// clone an arbitrary custom object
27
28	O clone;
29	if (o cast IMakeEmptyClone)
30	clone = o.makeEmptyClone();
31	else
32	clone = nuEmptyObject(o.getClass());
33
34	//print("Cloning custom: " + o);
35	copyFields(o, clone);
36	ret clone;
37	}