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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 | |
18 | Catalyst::Exception::Interface - Exception for redispatching using $ctx->detach() |
19 | |
20 | =head1 SYNOPSIS |
21 | |
22 | package My::Catalyst::Like::Exception; |
23 | use Moose; |
24 | use namespace::clean -except => 'meta'; |
25 | |
26 | # This comprises the required interface. |
27 | sub as_string { 'the exception text for stringification' } |
28 | sub die { shift; die @_ } |
29 | sub die { shift; die @_ } |
30 | |
31 | with 'Catalyst::Exception::Interface'; |
32 | |
33 | See also L<Catalyst> and L<Catalyst::Exception>. |
34 | |
35 | =head1 DESCRIPTION |
36 | |
37 | This is a role for the required interface for Catalyst exceptions. |
38 | |
39 | It ensures that all exceptions follow the expected interface, |
40 | and adds overloading for stringification when composed onto a |
41 | class. |
42 | |
43 | Note that if you compose this role onto another role, that role |
44 | must use L<MooseX::Role::WithOverloading>. |
45 | |
46 | =head1 REQUIRED METHODS |
47 | |
48 | =head2 as_string |
49 | |
50 | =head2 throw |
51 | |
52 | =head2 rethrow |
53 | |
54 | =head1 METHODS |
55 | |
56 | =head2 meta |
57 | |
58 | Provided by Moose |
59 | |
60 | =head1 AUTHORS |
61 | |
62 | Catalyst Contributors, see Catalyst.pm |
63 | |
64 | =head1 COPYRIGHT |
65 | |
66 | This library is free software. You can redistribute it and/or modify |
67 | it under the same terms as Perl itself. |
68 | |
69 | =cut |