X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FLaTeX-TikZ.git;a=blobdiff_plain;f=lib%2FLaTeX%2FTikZ%2FSet%2FSequence.pm;h=70176a1fb65c061a298a792e9b5001906cc004d5;hp=dfb30f73e19799542d05091a9847d11adbc34b79;hb=1c53f7e28198adfb2905667acd5741f163832d7b;hpb=f54cadb836315572aa2c4bcb16f221da1687df7a

diff --git a/lib/LaTeX/TikZ/Set/Sequence.pm b/lib/LaTeX/TikZ/Set/Sequence.pm
index dfb30f7..70176a1 100644
--- a/lib/LaTeX/TikZ/Set/Sequence.pm
+++ b/lib/LaTeX/TikZ/Set/Sequence.pm
@@ -24,23 +24,23 @@ use LaTeX::TikZ::Functor;
 
 use Any::Moose;
 use Any::Moose 'Util::TypeConstraints'
-               => [ qw/subtype as where find_type_constraint/ ];
+               => [ qw<subtype as where find_type_constraint> ];
 
 =head1 RELATIONSHIPS
 
-This class consumes the L<LaTeX::TikZ::Set> and L<LaTeX::TikZ::Set::Mutable> roles, and as such implements the L</draw> and L</add> methods.
+This class consumes the L<LaTeX::TikZ::Set> and L<LaTeX::TikZ::Set::Container> roles, and as such implements the L</draw>, L</kids> and L</add> methods.
 
 =cut
 
-with qw(
+with qw<
  LaTeX::TikZ::Set
- LaTeX::TikZ::Set::Mutable
-);
+ LaTeX::TikZ::Set::Container
+>;
 
 subtype 'LaTeX::TikZ::Set::Sequence::Elements'
      => as 'Object'
      => where {
-             $_->does('LaTeX::TikZ::Set::Op')
+             $_->does('LaTeX::TikZ::Set::Path')
           or $_->isa('LaTeX::TikZ::Set::Sequence')
      };
 
@@ -48,7 +48,7 @@ subtype 'LaTeX::TikZ::Set::Sequence::Elements'
 
 =head2 C<kids>
 
-The L<LaTeX::TikZ::Set::Op> or L<LaTeX::TikZ::Set::Sequence> objects that from the sequence.
+The L<LaTeX::TikZ::Set::Path> or L<LaTeX::TikZ::Set::Sequence> objects that from the sequence.
 
 =cut
 
@@ -86,9 +86,12 @@ sub add {
 sub draw {
  my $set = shift;
 
+ my @kids = $set->kids;
+ return [ ] unless @kids;
+
  List::Util::reduce { LaTeX::TikZ::Scope::fold($a, $b) }
   map $_->draw(@_),
-   $set->kids;
+   @kids;
 }
 
 LaTeX::TikZ::Interface->register(
@@ -110,7 +113,7 @@ __PACKAGE__->meta->make_immutable;
 
 =head1 SEE ALSO
 
-L<LaTeX::TikZ>, L<LaTeX::TikZ::Set::Op>, L<LaTeX::TikZ::Set::Mutable>.
+L<LaTeX::TikZ>, L<LaTeX::TikZ::Set::Path>, L<LaTeX::TikZ::Set::Container>.
 
 =head1 AUTHOR