with 'DX::Role::Step';
+#has resolution_space => (is => 'ro', isa => ResolutionSpace, required => 1);
+
sub apply_to {
my ($self, $ss) = @_;
trace backtrack => [ statement => [ [ symbol => 'backtrack' ] ] ];
- foreach my $adj (@{$ss->adjustments_made}) {
- my ($step_was, $ss_was) = @$adj;
- if (my $alt = $step_was->alternative_step) {
- return $ss_was->but(next_step => $alt);
- }
+ foreach my $adj (@{$ss->decisions_taken}) {
+ my ($rspace_was, $ss_was) = @$adj;
+ next unless @{$rspace_was->remaining_resolution_space->members};
+ trace rspace => [ statement => [
+ [ symbol => 'remaining' ],
+ @{$rspace_was->remaining_resolution_space->for_deparse->[1]}
+ ] ];
+ return $ss_was->but(
+ next_step => $rspace_was->remaining_resolution_space->next_step
+ );
}
return $ss->but(next_step => $ss->on_exhaustion_step);
}