1 files changed, 8 insertions, 6 deletions
diff --git a/lib/Reaction/UI/ViewPort/Field/Mutable/Number.pm b/lib/Reaction/UI/ViewPort/Field/Mutable/Number.pm
index d2be595..31416e4 100644
--- a/lib/Reaction/UI/ViewPort/Field/Mutable/Number.pm
+++ b/lib/Reaction/UI/ViewPort/Field/Mutable/Number.pm
@@ -2,13 +2,15 @@ package Reaction::UI::ViewPort::Field::Mutable::Number;
 
 use Reaction::Class;
 
-class Number is 'Reaction::UI::ViewPort::Field::Number', which {
-  does 'Reaction::UI::ViewPort::Field::Role::Mutable::Simple';
+use namespace::clean -except => [ qw(meta) ];
+extends 'Reaction::UI::ViewPort::Field::Number';
 
-  implements adopt_value_string => as {
-    my ($self) = @_;
-    $self->value($self->value_string);
-  };
+with 'Reaction::UI::ViewPort::Field::Role::Mutable::Simple';
+sub adopt_value_string {
+  my ($self) = @_;
+  $self->value($self->value_string);
 };
+__PACKAGE__->meta->make_immutable;
+
 
 1;