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package Specio::Constraint::ObjectDoes;
use strict;
use warnings;
our $VERSION = '0.42';
use B ();
use Role::Tiny::With;
use Scalar::Util ();
use Specio::Library::Builtins;
use Specio::OO;
use Specio::Constraint::Role::DoesType;
with 'Specio::Constraint::Role::DoesType';
{
my $Object = t('Object');
sub _build_parent {$Object}
}
{
my $_inline_generator = sub {
my $self = shift;
my $val = shift;
return sprintf( <<'EOF', ($val) x 3, B::perlstring( $self->role ) );
( Scalar::Util::blessed(%s) && %s->can('does') && %s->does(%s) )
EOF
};
sub _build_inline_generator {$_inline_generator}
}
## no critic (Subroutines::ProhibitUnusedPrivateSubroutines)
sub _allow_classes {0}
## use critic
__PACKAGE__->_ooify;
1;
# ABSTRACT: A class for constraints which require an object that does a specific role
__END__
=pod
=encoding UTF-8
=head1 NAME
Specio::Constraint::ObjectDoes - A class for constraints which require an object that does a specific role
=head1 VERSION
version 0.42
=head1 SYNOPSIS
my $type = Specio::Constraint::ObjectDoes->new(...);
print $type->role;
=head1 DESCRIPTION
This is a specialized type constraint class for types which require an object
that does a specific role.
=head1 API
This class provides all of the same methods as L<Specio::Constraint::Simple>,
with a few differences:
=head2 Specio::Constraint::ObjectDoes->new( ... )
The C<parent> parameter is ignored if it passed, as it is always set to the
C<Defined> type.
The C<inline_generator> and C<constraint> parameters are also ignored. This
class provides its own default inline generator subroutine reference.
This class overrides the C<message_generator> default if none is provided.
Finally, this class requires an additional parameter, C<role>. This must be a
single role name.
=head2 $object_isa->role
Returns the role name passed to the constructor.
=head1 ROLES
This class does the L<Specio::Constraint::Role::DoesType>,
L<Specio::Constraint::Role::Interface>, and L<Specio::Role::Inlinable> roles.
=head1 SUPPORT
Bugs may be submitted at L<https://github.com/houseabsolute/Specio/issues>.
I am also usually active on IRC as 'autarch' on C<irc://irc.perl.org>.
=head1 SOURCE
The source code repository for Specio can be found at L<https://github.com/houseabsolute/Specio>.
=head1 AUTHOR
Dave Rolsky <autarch@urth.org>
=head1 COPYRIGHT AND LICENSE
This software is Copyright (c) 2012 - 2017 by Dave Rolsky.
This is free software, licensed under:
The Artistic License 2.0 (GPL Compatible)
The full text of the license can be found in the
F<LICENSE> file included with this distribution.
=cut
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