Add support for adding method modifiers to a role metaclass

diff --git a/lib/Mouse/Meta/Role.pm b/lib/Mouse/Meta/Role.pm
index 0c04b74..79f3b7f 100644 (file)
--- a/lib/Mouse/Meta/Role.pm
+++ b/lib/Mouse/Meta/Role.pm
@@ -58,6 +58,13 @@ sub apply {
 
 for my $modifier_type (qw/before after around/) {
     no strict 'refs';
+    *{ __PACKAGE__ . '::' . "add_${modifier_type}_method_modifier" } = sub {
+        my ($self, $method_name, $method) = @_;
+
+        push @{ $self->{"${modifier_type}_method_modifiers"}->{$method_name} },
+            $method;
+    };
+
     *{ __PACKAGE__ . '::' . "get_${modifier_type}_method_modifiers" } = sub {
         my ($self, $method_name, $method) = @_;
         @{ $self->{"${modifier_type}_method_modifiers"}->{$method_name} || [] }

diff --git a/lib/Mouse/Role.pm b/lib/Mouse/Role.pm
index 4a9a08b..e538247 100644 (file)
--- a/lib/Mouse/Role.pm
+++ b/lib/Mouse/Role.pm
@@ -23,13 +23,31 @@ do {
             }
         },
         before => sub {
-            return sub { }
+            my $caller = $CALLER;
+            return sub {
+                my $code = pop;
+                for (@_) {
+                    $caller->meta->add_before_method_modifier($_ => $code);
+                }
+            }
         },
         after => sub {
-            return sub { }
+            my $caller = $CALLER;
+            return sub {
+                my $code = pop;
+                for (@_) {
+                    $caller->meta->add_before_method_modifier($_ => $code);
+                }
+            }
         },
         around => sub {
-            return sub { }
+            my $caller = $CALLER;
+            return sub {
+                my $code = pop;
+                for (@_) {
+                    $caller->meta->add_before_method_modifier($_ => $code);
+                }
+            }
         },
         has => sub {
             my $caller = $CALLER;