package Promises::Deferred::IO::Async;
our $AUTHORITY = 'cpan:STEVAN';
# ABSTRACT: IO::Async implementation of Promises
$Promises::Deferred::IO::Async::VERSION = '0.96';
use strict;
use warnings;
use IO::Async::Loop;
use IO::Async::Timer::Countdown;
use parent 'Promises::Deferred';
our $Loop = IO::Async::Loop->new;
sub _notify_backend {
my ( $self, $callbacks, $result ) = @_;
$Loop->add(
IO::Async::Timer::Countdown->new( delay => 0, on_expire => sub {
$_->(@$result) for @$callbacks;
})->start
);
}
1;
__END__
=pod
=head1 NAME
Promises::Deferred::IO::Async - IO::Async implementation of Promises
=head1 VERSION
version 0.96
=head1 SYNOPSIS
use Promises backend => ['IO::Async'], qw[ deferred collect ];
# ... everything else is the same
=head1 DESCRIPTION
Uses L<IO::Async> as the async engine for the promises.
The L<IO::Async::Loop> loop used by default is the one given by
C<<IO::Async::Loop->new>>. It can be queried and modified via the global
variable C<$Promises::Deferred::IO::Async::Loop>.
=head1 AUTHOR
Stevan Little <stevan.little@iinteractive.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2014 by Infinity Interactive, Inc..
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut