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package Specio::Registry;
use strict;
use warnings;
use parent 'Exporter';
our $VERSION = '0.50';
use Carp qw( confess croak );
our @EXPORT_OK
    = qw( exportable_types_for_package internal_types_for_package register );
my %Registry;
sub register {
    confess
        'register requires three or four arguments (package, name, type, [exportable])'
        unless @_ == 3 || @_ == 4;
    my $package    = shift;
    my $name       = shift;
    my $type       = shift;
    my $exportable = shift;
    croak "The $package package already has a type named $name"
        if $Registry{$package}{internal}{$name};
    # This is structured so that we can always return a _reference_ for
    # *_types_for_package. This means that the generated t sub sees any
    # changes to the registry as they happen. This is important inside a
    # package that is declaring new types. It needs to be able to see types it
    # has declared.
    $Registry{$package}{internal}{$name}   = $type;
    $Registry{$package}{exportable}{$name} = $type
        if $exportable;
    return;
}
sub exportable_types_for_package {
    my $package = shift;
    return $Registry{$package}{exportable} ||= {};
}
sub internal_types_for_package {
    my $package = shift;
    return $Registry{$package}{internal} ||= {};
}
1;
# ABSTRACT: Implements the per-package type registry
__END__
HideShow 43 lines of Pod
=pod
=encoding UTF-8
=head1 NAME
Specio::Registry - Implements the per-package type registry
=head1 VERSION
version 0.50
=head1 DESCRIPTION
There's nothing public here.
=for Pod::Coverage .*
=head1 SUPPORT
Bugs may be submitted at L<https://github.com/houseabsolute/Specio/issues>.
=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 - 2025 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