2 use Mouse::Util qw(not_supported); # enables strict and warnings
10 Mouse::Exporter->setup_import_methods(
20 \&Scalar::Util::blessed,
27 my $meta = Mouse::Meta::Role->initialize(scalar caller);
31 $meta->add_before_method_modifier($_ => $code);
36 my $meta = Mouse::Meta::Role->initialize(scalar caller);
40 $meta->add_after_method_modifier($_ => $code);
45 my $meta = Mouse::Meta::Role->initialize(scalar caller);
49 $meta->add_around_method_modifier($_ => $code);
55 return if !defined $Mouse::SUPER_BODY;
56 $Mouse::SUPER_BODY->(@Mouse::SUPER_ARGS);
60 # my($name, $code) = @_;
61 Mouse::Meta::Role->initialize(scalar caller)->add_override_method_modifier(@_);
64 # We keep the same errors messages as Moose::Role emits, here.
66 Carp::croak "Roles cannot support 'inner'";
70 Carp::croak "Roles cannot support 'augment'";
74 my $meta = Mouse::Meta::Role->initialize(scalar caller);
77 $meta->add_attribute($_ => @_) for ref($name) ? @{$name} : $name;
81 Carp::croak "Roles do not support 'extends'"
85 my $meta = Mouse::Meta::Role->initialize(scalar caller);
86 Mouse::Util::apply_all_roles($meta->name, @_);
90 my $meta = Mouse::Meta::Role->initialize(scalar caller);
91 $meta->throw_error("Must specify at least one method") unless @_;
92 $meta->add_required_methods(@_);
100 my($class, %args) = @_;
102 my $for_class = $args{for_class}
103 or Carp::confess("Cannot call init_meta without specifying a for_class");
105 my $metaclass = $args{metaclass} || 'Mouse::Meta::Role';
107 my $meta = $metaclass->initialize($for_class);
109 $meta->add_method(meta => sub{
110 $metaclass->initialize(ref($_[0]) || $_[0]);
122 Mouse::Role - The Mouse Role
131 =head2 C<< meta -> Mouse::Meta::Role >>
133 Returns this role's metaclass instance.
135 =head2 C<< before (method|methods) -> CodeRef >>
137 Sets up a B<before> method modifier. See L<Moose/before> or
138 L<Class::Method::Modifiers/before>.
140 =head2 C<< after (method|methods) => CodeRef >>
142 Sets up an B<after> method modifier. See L<Moose/after> or
143 L<Class::Method::Modifiers/after>.
145 =head2 C<< around (method|methods) => CodeRef >>
147 Sets up an B<around> method modifier. See L<Moose/around> or
148 L<Class::Method::Modifiers/around>.
152 Sets up the B<super> keyword. See L<Moose/super>.
154 =head2 C<< override method => CodeRef >>
156 Sets up an B<override> method modifier. See L<Moose/Role/override>.
160 This is not supported in roles and emits an error. See L<Moose/Role>.
162 =head2 C<< augment method => CodeRef >>
164 This is not supported in roles and emits an error. See L<Moose/Role>.
166 =head2 C<< has (name|names) => parameters >>
168 Sets up an attribute (or if passed an arrayref of names, multiple attributes) to
169 this role. See L<Mouse/has>.
171 =head2 C<< confess(error) -> BOOM >>
173 L<Carp/confess> for your convenience.
175 =head2 C<< blessed(value) -> ClassName | undef >>
177 L<Scalar::Util/blessed> for your convenience.
183 Importing Mouse::Role will give you sugar.
187 Please unimport (C<< no Mouse::Role >>) so that if someone calls one of the
188 keywords (such as L</has>) it will break loudly instead breaking subtly.