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package Reflex::POE::Session; |
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# vim: ts=2 sw=2 noexpandtab |
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$Reflex::POE::Session::VERSION = '0.100'; |
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use Moose; |
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extends 'Reflex::Base'; |
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36910
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use Scalar::Util qw(weaken); |
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use POE::Session; # for ARG0 |
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use Reflex::Event::POE; |
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my %session_id_to_object; |
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has sid => ( |
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isa => 'Str', |
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is => 'ro', |
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); |
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sub BUILD { |
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my $self = shift; |
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$session_id_to_object{$self->sid()}{$self} = $self; |
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weaken $session_id_to_object{$self->sid()}{$self}; |
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} |
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sub DEMOLISH { |
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my $self = shift; |
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delete $session_id_to_object{$self->sid()}{$self}; |
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delete $session_id_to_object{$self->sid()} unless ( |
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keys %{$session_id_to_object{$self->sid()}} |
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); |
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} |
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sub deliver { |
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my ($class, $sender_id, $event_name, $args) = @_; |
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# Not a session anyone is interested in. |
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return unless exists $session_id_to_object{$sender_id}; |
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0
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foreach my $self (values %{$session_id_to_object{$sender_id}}) { |
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$self->emit( |
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-name => $event_name, |
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-type => 'Reflex::Event::POE', |
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args => [ @$args ], |
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); |
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} |
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} |
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__PACKAGE__->meta->make_immutable; |
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1; |
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52
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__END__ |
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54
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=pod |
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=encoding UTF-8 |
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58
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=for :stopwords Rocco Caputo |
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=head1 NAME |
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62
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Reflex::POE::Session - Watch events from a POE::Session object. |
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64
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=head1 VERSION |
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66
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This document describes version 0.100, released on April 02, 2017. |
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68
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=head1 SYNOPSIS |
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70
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This sample usage is not a complete program. The rest of the program |
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exists in eg-13-irc-bot.pl, in the tarball's eg directory. |
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73
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sub BUILD { |
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my $self = shift; |
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76
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$self->component( |
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POE::Component::IRC->spawn( |
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nick => "reflex_$$", |
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ircname => "Reflex Test Bot", |
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server => "10.0.0.25", |
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) || die "Drat: $!" |
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); |
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84
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$self->poco_watcher( |
85
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Reflex::POE::Session->new( |
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sid => $self->component()->session_id(), |
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) |
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); |
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90
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$self->run_within_session( |
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sub { |
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$self->component()->yield(register => "all"); |
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$self->component()->yield(connect => {}); |
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} |
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) |
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} |
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98
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=head1 DESCRIPTION |
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100
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Reflex::POE::Session allows a Reflex::Base object to receive events |
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from a specific POE::Session instance, identified by the session's ID. |
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103
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Authors are encouraged to encapsulate POE sessions within Reflex |
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objects. Most users should not need use Reflex::POE::Session (or |
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other Reflex::POE helpers) directly. |
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107
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=head2 Public Attributes |
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109
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=head3 sid |
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111
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The "sid" must contain the ID of the POE::Session to be watched. This |
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is in fact how Reflex::POE::Session knows which session to watch. See |
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L<POE> for more information about session IDs. |
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115
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=head2 Public Events |
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117
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Reflex::POE::Session will emit() events on behalf of the watched |
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POE::Session. If the session posts "irc_001", then |
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Reflex::POE::Session will emit "irc_001", and so on. |
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121
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Reflex::POE::Session's "args" parameter will contain all of the POE |
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event's paramters, from ARG0 through the end of the parameter list. |
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They will be mapped to Reflex paramters "0" through the last index. |
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125
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Assume that this POE post() call invokes this Reflex callback() via |
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Refex::POE::Session: |
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128
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$kernel->post( event => qw(one one two three five) ); |
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130
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...; |
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132
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sub callback { |
133
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my ($self, $event) = @_; |
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print "$_\n" foreach $event->args_list(); |
135
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} |
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137
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The callback will print five lines: |
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139
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one |
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one |
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two |
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three |
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five |
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145
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=for Pod::Coverage BUILD DEMOLISH deliver |
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147
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=head1 CAVEATS |
148
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149
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Reflex::POE::Session will take note of every event sent by the |
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session, although it won't try to deliver ones that haven't been |
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registered with the callback object. However, the act of filtering |
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these events out is more overhead than simply not registering interest |
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in the first place. A later version will be more optimal. |
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155
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Reflex::POE::Wheel provides a way to map parameters to symbolic names. |
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Reflex::POE::Session may also provide a similar mechanism in the |
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future, obsoleting the parameter numbers. |
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159
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=head1 SEE ALSO |
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161
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Please see those modules/websites for more information related to this module. |
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163
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=over 4 |
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=item * |
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167
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L<Reflex|Reflex> |
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169
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=item * |
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171
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L<Moose::Manual::Concepts> |
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=item * |
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175
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L<Reflex> |
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=item * |
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L<Reflex::POE::Event> |
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=item * |
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L<Reflex::POE::Postback> |
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=item * |
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187
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L<Reflex::POE::Wheel::Run> |
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=item * |
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191
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L<Reflex::POE::Wheel> |
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=item * |
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195
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L<Reflex/ACKNOWLEDGEMENTS> |
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=item * |
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199
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L<Reflex/ASSISTANCE> |
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201
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=item * |
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203
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L<Reflex/AUTHORS> |
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=item * |
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L<Reflex/BUGS> |
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=item * |
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L<Reflex/BUGS> |
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=item * |
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L<Reflex/CONTRIBUTORS> |
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=item * |
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L<Reflex/COPYRIGHT> |
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=item * |
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L<Reflex/LICENSE> |
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225
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=item * |
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227
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L<Reflex/TODO> |
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=back |
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231
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=head1 BUGS AND LIMITATIONS |
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You can make new bug reports, and view existing ones, through the |
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web interface at L<http://rt.cpan.org/Public/Dist/Display.html?Name=Reflex>. |
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236
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=head1 AUTHOR |
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238
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Rocco Caputo <rcaputo@cpan.org> |
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2017 by Rocco Caputo. |
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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=head1 AVAILABILITY |
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The latest version of this module is available from the Comprehensive Perl |
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Archive Network (CPAN). Visit L<http://www.perl.com/CPAN/> to find a CPAN |
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site near you, or see L<https://metacpan.org/module/Reflex/>. |
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=head1 DISCLAIMER OF WARRANTY |
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BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY |
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FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT |
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WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER |
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PARTIES PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, |
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EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE |
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE |
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SOFTWARE IS WITH YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME |
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THE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION. |
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IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING |
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WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR |
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REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE LIABLE |
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TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL, OR |
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CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE |
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SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING |
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RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A |
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FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF |
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SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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DAMAGES. |
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=cut |