Introduce LaTeX::TikZ::Functor

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

diff --git a/lib/LaTeX/TikZ/Set/Point.pm b/lib/LaTeX/TikZ/Set/Point.pm
index 409db5f359db6e51fa6686f5a01b21ba8f65f06d..3b43c99d455e4fd5b8bd07ac44e367fbe1be4e18 100644 (file)
--- a/lib/LaTeX/TikZ/Set/Point.pm
+++ b/lib/LaTeX/TikZ/Set/Point.pm
@@ -17,6 +17,8 @@ our $VERSION = '0.01';
 
 use LaTeX::TikZ::Point;
 
+use LaTeX::TikZ::Functor;
+
 use Any::Moose;
 use Any::Moose 'Util::TypeConstraints';
 
@@ -27,6 +29,7 @@ has 'point' => (
  isa      => 'LaTeX::TikZ::Point::Autocoerce',
  required => 1,
  coerce   => 1,
+ handles  => [ qw/x y/ ],
 );
 
 coerce 'LaTeX::TikZ::Set::Point'
@@ -48,9 +51,19 @@ sub path {
 use LaTeX::TikZ::Interface point => sub {
  shift;
 
- __PACKAGE__->new(point => @_ > 1 ? \@_ : $_[0] );
+ my $point = @_ == 0 ? 0
+                     : @_ == 1 ? $_[0]
+                               : \@_;
+ __PACKAGE__->new(point => $point);
 };
 
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+  my ($functor, $set, @args) = @_;
+  $set->new(point => $set->point);
+ }
+);
+
 __PACKAGE__->meta->make_immutable;
 
 =head1 AUTHOR