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comparison tango/tango/util/collection/impl/Cell.d @ 132:1700239cab2e trunk

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[svn r136] MAJOR UNSTABLE UPDATE!!! Initial commit after moving to Tango instead of Phobos. Lots of bugfixes... This build is not suitable for most things.
author lindquist
date Fri, 11 Jan 2008 17:57:40 +0100
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131:5825d48b27d1 132:1700239cab2e
1 /*
2 File: Cell.d
3
4 Originally written by Doug Lea and released into the public domain.
5 Thanks for the assistance and support of Sun Microsystems Labs, Agorics
6 Inc, Loral, and everyone contributing, testing, and using this code.
7
8 History:
9 Date Who What
10 24Sep95 dl@cs.oswego.edu Create from tango.util.collection.d working file
11 9Apr97 dl made Serializable
12
13 */
14
15
16 module tango.util.collection.impl.Cell;
17
18 /**
19 *
20 *
21 * Cell is the base of a bunch of implementation classes
22 * for lists and the like.
23 * The base version just holds an Object as its element value
24 *
25 author: Doug Lea
26 * @version 0.93
27 *
28 * <P> For an introduction to this package see <A HREF="index.html"> Overview </A>.
29 **/
30
31 public class Cell (T)
32 {
33 // instance variables
34 private T element_;
35
36 /**
37 * Make a cell with element value v
38 **/
39
40 public this (T v)
41 {
42 element_ = v;
43 }
44
45 /**
46 * Make A cell with null element value
47 **/
48
49 public this ()
50 {
51 // element_ = null;
52 }
53
54 /**
55 * return the element value
56 **/
57
58 public final T element()
59 {
60 return element_;
61 }
62
63 /**
64 * set the element value
65 **/
66
67 public final void element (T v)
68 {
69 element_ = v;
70 }
71
72 public final int elementHash ()
73 {
74 return typeid(T).getHash(&element_);
75 }
76
77 protected Cell duplicate()
78 {
79 return new Cell (element_);
80 }
81 }