use Scalar::Util directly

[gitmo/Mouse.git] / lib / Mouse / Role.pm

diff --git a/lib/Mouse/Role.pm b/lib/Mouse/Role.pm
index 99170c2..37007e5 100644 (file)
--- a/lib/Mouse/Role.pm
+++ b/lib/Mouse/Role.pm
@@ -49,11 +49,23 @@ sub has {
 
 sub extends  { confess "Roles do not support 'extends'" }
 
-sub with     { confess "Mouse::Role does not currently support 'with'" }
+sub with     {
+    my $meta = Mouse::Meta::Role->initialize(caller);
+    my $role  = shift;
+    my $args  = shift || {};
+    confess "Mouse::Role only supports 'with' on individual roles at a time" if @_ || !ref $args;
+
+    Mouse::load_class($role);
+    $role->meta->apply($meta, %$args);
+}
 
-sub requires {}
+sub requires {
+    my $meta = Mouse::Meta::Role->initialize(caller);
+    Carp::croak "Must specify at least one method" unless @_;
+    $meta->add_required_methods(@_);
+}
 
-sub excludes {}
+sub excludes { confess "Mouse::Role does not currently support 'excludes'" }
 
 sub import {
     strict->import;