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1 | ============================================================================== |
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2 | Release of version 0.79 of Attribute::Handlers |
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3 | ============================================================================== |
4 | |
5 | |
6 | NAME |
7 | Attribute::Handlers - Simpler definition of attribute handlers |
8 | |
9 | DESCRIPTION |
10 | This module, when inherited by a package, allows that package's class to |
11 | define attribute handler subroutines for specific attributes. Variables |
12 | and subroutines subsequently defined in that package, or in packages |
13 | derived from that package may be given attributes with the same names as |
14 | the attribute handler subroutines, which will then be called at the end |
15 | of the compilation phase (i.e. in a `CHECK' block). |
16 | |
17 | EXAMPLE |
18 | |
19 | package UNIVERSAL; |
20 | use Attribute::Handlers; |
21 | |
22 | my %name; |
23 | sub name { return $name{$_[2]}||*{$_[1]}{NAME} } |
24 | |
25 | sub Name :ATTR { $name{$_[2]} = $_[4] } |
26 | |
27 | sub Purpose :ATTR { print STDERR "Purpose of ", &name, " is $_[4]\n" } |
28 | |
29 | sub Unit :ATTR { print STDERR &name, " measured in $_[4]\n" } |
30 | |
31 | |
32 | package main; |
33 | |
34 | my $capacity : Name(capacity) |
35 | : Purpose(to store max storage capacity for files) |
36 | : Unit(Gb); |
37 | |
38 | package Other; |
39 | |
40 | sub foo : Purpose(to foo all data before barring it) { } |
41 | |
42 | |
43 | AUTHOR |
44 | Damian Conway (damian@conway.org) |
45 | |
46 | COPYRIGHT |
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47 | Copyright (c) 2001-2007, Damian Conway. All Rights Reserved. |
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48 | This module is free software. It may be used, redistributed |
49 | and/or modified under the same terms as Perl itself. |
50 | |
51 | |
52 | ============================================================================== |
53 | |
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54 | 0.79 |
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55 | |
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56 | - The version released with Perl 5.10.0 |
57 | - All interpreted attributes are now passed as array references, |
58 | eventually nested. |
59 | - Don't AUTOLOAD DESTROY (Jerry D Hedden, cpan bug #1911) |
60 | - A::H is now able to report caller's file and line number |
61 | (David Feldman) |
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62 | |
63 | ============================================================================== |
64 | |
65 | AVAILABILITY |
66 | |
67 | Attribute::Handlers has been uploaded to the CPAN |
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68 | |
69 | ============================================================================== |