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1 | package Catalyst::Exception::Interface; |
2 | |
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3 | use Moose::Role; |
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4 | use namespace::clean -except => 'meta'; |
5 | |
6 | use overload |
7 | q{""} => sub { $_[0]->as_string }, |
8 | fallback => 1; |
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9 | |
10 | requires qw/as_string throw rethrow/; |
11 | |
12 | 1; |
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13 | |
14 | __END__ |
15 | |
16 | =head1 NAME |
17 | |
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18 | Catalyst::Exception::Interface - Role defining the interface for Catalyst exceptions |
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19 | |
20 | =head1 SYNOPSIS |
21 | |
22 | package My::Catalyst::Like::Exception; |
23 | use Moose; |
24 | use namespace::clean -except => 'meta'; |
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25 | |
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26 | with 'Catalyst::Exception::Interface'; |
27 | |
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28 | # This comprises the required interface. |
29 | sub as_string { 'the exception text for stringification' } |
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30 | sub throw { shift; die @_ } |
31 | sub rethrow { shift; die @_ } |
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32 | |
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33 | =head1 DESCRIPTION |
34 | |
35 | This is a role for the required interface for Catalyst exceptions. |
36 | |
37 | It ensures that all exceptions follow the expected interface, |
38 | and adds overloading for stringification when composed onto a |
39 | class. |
40 | |
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41 | =head1 REQUIRED METHODS |
42 | |
43 | =head2 as_string |
44 | |
45 | =head2 throw |
46 | |
47 | =head2 rethrow |
48 | |
49 | =head1 METHODS |
50 | |
51 | =head2 meta |
52 | |
53 | Provided by Moose |
54 | |
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55 | =head1 SEE ALSO |
56 | |
57 | =over 4 |
58 | |
59 | =item L<Catalyst> |
60 | |
61 | =item L<Catalyst::Exception> |
62 | |
63 | =back |
64 | |
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65 | =head1 AUTHORS |
66 | |
67 | Catalyst Contributors, see Catalyst.pm |
68 | |
69 | =head1 COPYRIGHT |
70 | |
71 | This library is free software. You can redistribute it and/or modify |
72 | it under the same terms as Perl itself. |
73 | |
74 | =cut |