--- /dev/null
+package Moo::Role;
+
+use strictures 1;
+use Moo::_Utils;
+use base qw(Role::Tiny);
+
+BEGIN { *INFO = \%Role::Tiny::INFO }
+
+our %INFO;
+
+sub import {
+ my $target = caller;
+ strictures->import;
+ # get symbol table reference
+ my $stash = do { no strict 'refs'; \%{"${target}::"} };
+ *{_getglob "${target}::has"} = sub {
+ my ($name, %spec) = @_;
+ ($INFO{$target}{accessor_maker} ||= do {
+ require Method::Generate::Accessor;
+ Method::Generate::Accessor->new
+ })->generate_method($target, $name, \%spec);
+ $INFO{$target}{attributes}{$name} = \%spec;
+ };
+ goto &Role::Tiny::import;
+}
+
+sub apply_role_to_package {
+ my ($me, $role, $to) = @_;
+ $me->SUPER::apply_role_to_package($role, $to);
+ $me->_handle_constructor($to, $INFO{$role}{attributes});
+}
+
+sub create_class_with_roles {
+ my ($me, $superclass, @roles) = @_;
+
+ my $new_name = join('+', $superclass, my $compose_name = join '+', @roles);
+ return $new_name if $Role::Tiny::COMPOSED{class}{$new_name};
+
+ require Sub::Quote;
+
+ $me->SUPER::create_class_with_roles($superclass, @roles);
+
+ foreach my $role (@roles) {
+ die "${role} is not a Role::Tiny" unless my $info = $INFO{$role};
+ }
+
+ $me->_handle_constructor(
+ $new_name, { map %{$INFO{$_}{attributes}||{}}, @roles }
+ );
+
+ return $new_name;
+}
+
+sub _install_modifiers {
+ my ($me, $to, $modifiers) = @_;
+ foreach my $modifier (@{$modifiers||[]}) {
+ _install_modifier($to, @{$modifier});
+ }
+}
+
+sub _handle_constructor {
+ my ($me, $to, $attr_info) = @_;
+ return unless $attr_info && keys %$attr_info;
+ if ($INFO{$to}) {
+ @{$INFO{$to}{attributes}||={}}{keys %$attr_info} = values %$attr_info;
+ } else {
+ # only fiddle with the constructor if the target is a Moo class
+ if ($INC{"Moo.pm"}
+ and my $con = Moo->_constructor_maker_for($to)) {
+ $con->register_attribute_specs(%$attr_info);
+ }
+ }
+}
+
+1;