2 package Moose::Meta::Class;
11 use base 'Class::MOP::Class';
13 sub construct_instance {
14 my ($class, %params) = @_;
15 my $instance = $params{'__INSTANCE__'} || {};
16 foreach my $attr ($class->compute_all_applicable_attributes()) {
17 my $init_arg = $attr->init_arg();
18 # try to fetch the init arg from the %params ...
20 $val = $params{$init_arg} if exists $params{$init_arg};
21 # if nothing was in the %params, we can use the
22 # attribute's default value (if it has one)
23 $val ||= $attr->default($instance) if $attr->has_default;
24 if (defined $val && $attr->has_type_constraint) {
25 (defined $attr->type_constraint->($val))
26 || confess "Attribute (" . $attr->name . ") does not pass the type contraint";
28 $instance->{$attr->name} = $val;
41 Moose::Meta::Class - The Moose metaclass
47 This is a subclass of L<Class::MOP::Class> with Moose specific
54 =item B<construct_instance>
62 All complex software has bugs lurking in it, and this module is no
63 exception. If you find a bug please either email me, or add the bug
68 Stevan Little E<lt>stevan@iinteractive.comE<gt>
70 =head1 COPYRIGHT AND LICENSE
72 Copyright 2006 by Infinity Interactive, Inc.
74 L<http://www.iinteractive.com>
76 This library is free software; you can redistribute it and/or modify
77 it under the same terms as Perl itself.