Introduce LaTeX::TikZ::Functor

[perl/modules/LaTeX-TikZ.git] / lib / LaTeX / TikZ / Set / Circle.pm

diff --git a/lib/LaTeX/TikZ/Set/Circle.pm b/lib/LaTeX/TikZ/Set/Circle.pm
index f1bbeab30a9a5942537418fd209c1be1591596ec..a4bc64cf7dc11472cf50ccdaa42134ab1b28510a 100644 (file)
--- a/lib/LaTeX/TikZ/Set/Circle.pm
+++ b/lib/LaTeX/TikZ/Set/Circle.pm
@@ -17,6 +17,8 @@ our $VERSION = '0.01';
 
 use LaTeX::TikZ::Set::Point;
 
+use LaTeX::TikZ::Functor;
+
 use LaTeX::TikZ::Tools;
 
 use Any::Moose;
@@ -55,6 +57,16 @@ use LaTeX::TikZ::Interface circle => sub {
  __PACKAGE__->new(center => $_[0], radius => $_[1]);
 };
 
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+  my ($functor, $set, @args) = @_;
+  $set->new(
+   center => $set->center->$functor(@args),
+   radius => $set->radius,
+  );
+ }
+);
+
 __PACKAGE__->meta->make_immutable;
 
 =head1 AUTHOR