Introduce LaTeX::TikZ::Functor

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

diff --git a/lib/LaTeX/TikZ/Set/Line.pm b/lib/LaTeX/TikZ/Set/Line.pm
index 238e1f7f75a73fa3ea13ad44e4e6a42ee6eff926..819ccb9972c5ed3d9483f326ce0a718a18819786 100644 (file)
--- a/lib/LaTeX/TikZ/Set/Line.pm
+++ b/lib/LaTeX/TikZ/Set/Line.pm
@@ -15,20 +15,26 @@ Version 0.01
 
 our $VERSION = '0.01';
 
+use LaTeX::TikZ::Set::Point;
+
+use LaTeX::TikZ::Functor;
+
 use Any::Moose;
 
 with 'LaTeX::TikZ::Set::Op';
 
 has 'from' => (
  is       => 'ro',
- does     => 'LaTeX::TikZ::Point',
+ isa      => 'LaTeX::TikZ::Set::Point',
  required => 1,
+ coerce   => 1,
 );
 
 has 'to' => (
  is       => 'ro',
- does     => 'LaTeX::TikZ::Point',
+ isa      => 'LaTeX::TikZ::Set::Point',
  required => 1,
+ coerce   => 1,
 );
 
 sub path {
@@ -37,12 +43,19 @@ sub path {
  $set->from->path(@_) . ' -- ' . $set->to->path(@_);
 }
 
-use LaTeX::TikZ::API line => sub {
+use LaTeX::TikZ::Interface line => sub {
  shift;
 
  __PACKAGE__->new(from => $_[0], to => $_[1]);
 };
 
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+  my ($functor, $set, @args) = @_;
+  $set->new(map { $_ => $set->$_->$functor(@args) } qw/from to/)
+ }
+);
+
 __PACKAGE__->meta->make_immutable;
 
 =head1 AUTHOR