follow alternative rspace entries without backtracking, explicitly resolve

[scpubgit/DX.git] / lib / DX / Step / Backtrack.pm

diff --git a/lib/DX/Step/Backtrack.pm b/lib/DX/Step/Backtrack.pm
index a7c107b..865073a 100644 (file)
--- a/lib/DX/Step/Backtrack.pm
+++ b/lib/DX/Step/Backtrack.pm
@@ -4,6 +4,8 @@ use DX::Class;
 
 with 'DX::Role::Step';
 
+#has resolution_space => (is => 'ro', isa => ResolutionSpace, required => 1);
+
 sub apply_to {
   my ($self, $ss) = @_;
   trace backtrack => [ statement => [ [ symbol => 'backtrack' ] ] ];