Introduce LaTeX::TikZ::Functor

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

diff --git a/lib/LaTeX/TikZ/Set/Polyline.pm b/lib/LaTeX/TikZ/Set/Polyline.pm
index ef339e4d9a213e8600b721b0d8fd10075faa51e7..76656afc88c4c89ac4e0234f458b63b49f2f86b6 100644 (file)
--- a/lib/LaTeX/TikZ/Set/Polyline.pm
+++ b/lib/LaTeX/TikZ/Set/Polyline.pm
@@ -17,6 +17,8 @@ our $VERSION = '0.01';
 
 use LaTeX::TikZ::Set::Point;
 
+use LaTeX::TikZ::Functor;
+
 use Any::Moose;
 use Any::Moose 'Util::TypeConstraints';
 
@@ -66,6 +68,16 @@ use LaTeX::TikZ::Interface closed_polyline => sub {
  __PACKAGE__->new(points => \@_, closed => 1);
 };
 
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+  my ($functor, $set, @args) = @_;
+  $set->new(
+   points => [ map $_->$functor(@args), $set->points ],
+   closed => $set->closed,
+  );
+ }
+);
+
 __PACKAGE__->meta->make_immutable;
 
 =head1 AUTHOR