use FactRef objects to sanify action handling

[scpubgit/DKit.git] / lib / DX / State.pm

diff --git a/lib/DX/State.pm b/lib/DX/State.pm
index d397958..1f84991 100644 (file)
--- a/lib/DX/State.pm
+++ b/lib/DX/State.pm
@@ -3,6 +3,7 @@ package DX::State;
 use Return::MultiLevel qw(with_return);
 use DX::Op::Backtrack;
 use Scalar::Util qw(blessed);
+use Safe::Isa;
 use Moo;
 
 has next_op => (is => 'ro', required => 1);
@@ -30,7 +31,11 @@ sub scope_var {
 
 sub resolve_value {
   my ($self, $var) = @_;
-  $var->bound_value;
+  my $val = $var->bound_value;
+  if ($val->$_does('DX::Role::Ref')) {
+    return $val->resolve($self);
+  }
+  return $val;
 }
 
 sub allocate_var {