Apply a patch to support handle => sub { ... }, contributed by Frank Cuny.

[gitmo/Mouse.git] / lib / Mouse / Meta / Attribute.pm

diff --git a/lib/Mouse/Meta/Attribute.pm b/lib/Mouse/Meta/Attribute.pm
index c4b749e..61e9dba 100644 (file)
--- a/lib/Mouse/Meta/Attribute.pm
+++ b/lib/Mouse/Meta/Attribute.pm
@@ -199,8 +199,7 @@ sub canonicalize_args{ # DEPRECATED
     my ($self, $name, %args) = @_;
 
     Carp::cluck("$self->canonicalize_args has been deprecated."
-        . "Use \$self->_process_options instead.")
-            if Mouse::Util::_MOUSE_VERBOSE;
+        . "Use \$self->_process_options instead.");
 
     return %args;
 }
@@ -209,8 +208,7 @@ sub create { # DEPRECATED
     my ($self, $class, $name, %args) = @_;
 
     Carp::cluck("$self->create has been deprecated."
-        . "Use \$meta->add_attribute and \$attr->install_accessors instead.")
-            if Mouse::Util::_MOUSE_VERBOSE;
+        . "Use \$meta->add_attribute and \$attr->install_accessors instead.");
 
     # noop
     return $self;
@@ -238,10 +236,10 @@ sub verify_against_type_constraint {
     return 1 if !$type_constraint;
     return 1 if $type_constraint->check($value);
 
-    $self->verify_type_constraint_error($value, $type_constraint);
+    $self->_throw_type_constraint_error($value, $type_constraint);
 }
 
-sub verify_type_constraint_error {
+sub _throw_type_constraint_error {
     my($self, $value, $type) = @_;
 
     $self->throw_error(
@@ -282,8 +280,7 @@ sub clone_parent { # DEPRECATED
     my %args  = ($self->get_parent_args($class, $name), @_);
 
     Carp::cluck("$self->clone_parent has been deprecated."
-        . "Use \$meta->add_attribute and \$attr->install_accessors instead.")
-        if Mouse::Util::_MOUSE_VERBOSE;
+        . "Use \$meta->add_attribute and \$attr->install_accessors instead.");
 
     $self->clone_and_inherited_args($class, $name, %args);
 }
@@ -415,6 +412,11 @@ sub _canonicalize_handles {
     elsif (ref($handles) eq 'ARRAY') {
         return map { $_ => $_ } @$handles;
     }
+    elsif ( ref($handles) eq 'CODE' ) {
+        my $class_or_role = ( $self->{isa} || $self->{does} )
+            || $self->throw_error( "Cannot find delegate metaclass for attribute " . $self->name );
+        return $handles->( $self, Mouse::Meta::Class->initialize("$class_or_role"));
+    }
     elsif (ref($handles) eq 'Regexp') {
         my $class_or_role = ($self->{isa} || $self->{does})
             || $self->throw_error("Cannot delegate methods based on a Regexp without a type constraint (isa)");
@@ -455,7 +457,7 @@ Mouse::Meta::Attribute - The Mouse attribute metaclass
 
 =head1 VERSION
 
-This document describes Mouse version 0.44
+This document describes Mouse version 0.4501
 
 =head1 METHODS