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1 | package Catalyst::Exception::Interface; |
2 | |
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3 | use MooseX::Role::WithOverloading; |
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 | |
41 | Note that if you compose this role onto another role, that role |
42 | must use L<MooseX::Role::WithOverloading>. |
43 | |
44 | =head1 REQUIRED METHODS |
45 | |
46 | =head2 as_string |
47 | |
48 | =head2 throw |
49 | |
50 | =head2 rethrow |
51 | |
52 | =head1 METHODS |
53 | |
54 | =head2 meta |
55 | |
56 | Provided by Moose |
57 | |
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58 | =head1 SEE ALSO |
59 | |
60 | =over 4 |
61 | |
62 | =item L<Catalyst> |
63 | |
64 | =item L<Catalyst::Exception> |
65 | |
66 | =back |
67 | |
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68 | =head1 AUTHORS |
69 | |
70 | Catalyst Contributors, see Catalyst.pm |
71 | |
72 | =head1 COPYRIGHT |
73 | |
74 | This library is free software. You can redistribute it and/or modify |
75 | it under the same terms as Perl itself. |
76 | |
77 | =cut |