add workaround for perl 5.8.5 bug

[gitmo/MooseX-Types.git] / lib / MooseX / Types / TypeDecorator.pm

diff --git a/lib/MooseX/Types/TypeDecorator.pm b/lib/MooseX/Types/TypeDecorator.pm
index 7bbfa32..2d1098d 100644 (file)
--- a/lib/MooseX/Types/TypeDecorator.pm
+++ b/lib/MooseX/Types/TypeDecorator.pm
@@ -16,6 +16,8 @@ use overload(
             my $tc = $self->{__type_constraint};
             return 0+$tc;
      },
+    # workaround for perl 5.8.5 bug
+    '==' => sub { 0+$_[0] == 0+$_[1] },
     '""' => sub {
                my $self = shift @_;
                if(blessed $self) {
@@ -120,8 +122,10 @@ and for a class type, the class.
 sub isa {
   my $self = shift;
   return
-    $self->__type_constraint->isa(@_)
-    || $self->_try_delegate('isa', @_);
+    blessed $self
+      ? $self->__type_constraint->isa(@_)
+      || $self->_try_delegate( 'isa', @_ )
+      : $self->SUPER::isa(@_);
 }
 
 =head2 can
@@ -130,7 +134,13 @@ handle $self->can since AUTOLOAD can't.
 
 =cut
 
-sub can { shift->_try_delegate('can', @_) }
+sub can {
+    my $self = shift;
+
+    return blessed $self
+        ? $self->_try_delegate( 'can', @_ )
+        : $self->SUPER::can(@_);
+}
 
 =head2 _throw_error