Remove the user_constraint feature from the autocoercion code

[perl/modules/LaTeX-TikZ.git] / lib / LaTeX / TikZ / Meta / TypeConstraint / Autocoerce.pm

diff --git a/lib/LaTeX/TikZ/Meta/TypeConstraint/Autocoerce.pm b/lib/LaTeX/TikZ/Meta/TypeConstraint/Autocoerce.pm
index 25f3879a6fcb39f57b573eb86d40173e51807f1c..0356cb0a29a13da9dbf80ae2415a5bba93194512 100644 (file)
--- a/lib/LaTeX/TikZ/Meta/TypeConstraint/Autocoerce.pm
+++ b/lib/LaTeX/TikZ/Meta/TypeConstraint/Autocoerce.pm
@@ -137,20 +137,12 @@ has 'target' => (
  required => 1,
 );
 
-=head2 C<user_constraint>
-
-An optional user defined code reference which predates checking the target for validity.
-
-=cut
-
-has 'user_constraint' => (
- is  => 'ro',
- isa => 'Maybe[CodeRef]',
-);
+my $target_tc = __PACKAGE__->meta->find_attribute_by_name('target')
+                                 ->type_constraint;
 
 =head1 METHODS
 
-=head2 C<< new name => $name, mapper => $mapper, target => $target, [ user_constraint => sub { ... } ] >>
+=head2 C<< new name => $name, mapper => $mapper, target => $target >>
 
 Constructs a type constraint object that will attempt to autocoerce objects that are not valid according to C<$target> by loading the class returned by C<$mapper>.
 
@@ -169,34 +161,25 @@ around 'new' => sub {
   $target = LaTeX::TikZ::Tools::type_constraint($target) if defined $target;
   Carp::confess("No meta object for $target_name")   unless defined $target;
  }
- __PACKAGE__->meta->find_attribute_by_name('target')
-                  ->type_constraint->assert_valid($target);
+ $target_tc->assert_valid($target);
  $args{target} = $target;
 
  if (any_moose() eq 'Moose') {
   $args{coercion} = Moose::Meta::TypeCoercion->new;
  }
 
- my $tc;
  $args{constraint} = Sub::Name::subname('_constraint' => sub {
   my ($thing) = @_;
 
   # Remember that when ->check is called inside coerce, a return value of 0
   # means that coercion should take place, while 1 signifies that the value is
-  # already OK.
-
-  # First, try a possible user defined constraint
-  my $user = $tc->user_constraint;
-  if (defined $user) {
-   my $ok = $user->($thing);
-   return 1 if $ok;
-  }
+  # already OK. Thus we should return true if and only if $thing passes the
+  # target type constraint.
 
-  # Then, it's valid if and only if it passes the target type constraint
-  return $tc->target->check($thing);
+  return $target->check($thing);
  });
 
- $tc = $class->$orig(%args);
+ return $class->$orig(%args);
 };
 
 =head2 C<coerce $thing>