Code for forward compat with Moose 1.99+

[gitmo/MooseX-UndefTolerant.git] / lib / MooseX / UndefTolerant / Constructor.pm

diff --git a/lib/MooseX/UndefTolerant/Constructor.pm b/lib/MooseX/UndefTolerant/Constructor.pm
index 841811d..b9ccc0b 100644 (file)
--- a/lib/MooseX/UndefTolerant/Constructor.pm
+++ b/lib/MooseX/UndefTolerant/Constructor.pm
@@ -1,27 +1,29 @@
 package MooseX::UndefTolerant::Constructor;
 use Moose::Role;
 
-around('_generate_slot_initializer', sub {
-        my $orig = shift;
-        my $self = shift;
+if ( $Moose::VERSION < 1.9900 ) {
+        around('_generate_slot_initializer', sub {
+                my $orig = shift;
+                my $self = shift;
 
-        # note the key in the params may not match the attr name.
-        my $key_name = $self->_attributes->[$_[0]]->init_arg;
+                # note the key in the params may not match the attr name.
+                my $key_name = $self->_attributes->[$_[0]]->init_arg;
 
-        # insert a line of code at the start of the initializer,
-        # clearing the param if it's undefined.
+                # insert a line of code at the start of the initializer,
+                # clearing the param if it's undefined.
 
-        if (defined $key_name) {
-                my $tolerant_code = 
-                     qq# delete \$params->{'$key_name'} unless # . 
-                     qq# exists \$params->{'$key_name'} && defined \$params->{'$key_name'};\n#;
+                if (defined $key_name) {
+                        my $tolerant_code = 
+                             qq# delete \$params->{'$key_name'} unless # . 
+                             qq# exists \$params->{'$key_name'} && defined \$params->{'$key_name'};\n#;
 
-                return $tolerant_code . $self->$orig(@_);
-        }
-        else {
-                return $self->$orig(@_);
-        }
-});
+                        return $tolerant_code . $self->$orig(@_);
+                }
+                else {
+                        return $self->$orig(@_);
+                }
+        });
+}
 
 no Moose::Role;