remove member lookup op

diff --git a/lib/DX/Op/MemberLookup.pm b/lib/DX/Op/MemberLookup.pm
deleted file mode 100644 (file)
index 51827f2..0000000
--- a/lib/DX/Op/MemberLookup.pm
+++ /dev/null
@@ -1,24 +0,0 @@
-package DX::Op::MemberLookup;
-
-use Moo;
-
-with 'DX::Role::Op';
-
-has member_var => (is => 'ro', required => 1);
-has coll_name => (is => 'ro', required => 1);
-has key_name => (is => 'ro', required => 1);
-has key_var => (is => 'ro', required => 1);
-
-sub run {
-  my ($self, $state) = @_;
-  my ($member, $key) = map $state->scope_var($self->$_), qw(member_var key_var);
-  die "key unbound" unless $key->is_bound;
-  die "member bound" if $member->is_bound;
-  my $set = $state->facts->{$self->coll_name};
-  if (my $value = $set->{$key->bound_value}) {
-    return $state->bind_var_then($member, $value, $self->next);
-  }
-  return $state->backtrack;
-}
-
-1;

diff --git a/lib/DX/RuleSet.pm b/lib/DX/RuleSet.pm
index 328eb85..b051306 100644 (file)
--- a/lib/DX/RuleSet.pm
+++ b/lib/DX/RuleSet.pm
@@ -3,7 +3,6 @@ package DX::RuleSet;
 use Moo;
 use DX::Op::CallRule;
 use DX::Op::MemberOf;
-use DX::Op::MemberLookup;
 use DX::Op::ApplyConstraint;
 use DX::Op::Return;
 use List::Util qw(reduce);
@@ -46,16 +45,6 @@ sub _expand_member_of {
   );
 }
 
-sub _expand_member_lookup {
-  my ($self, $member_var, $coll_name, $key_name, $key_var) = @_;
-  DX::Op::MemberLookup->new(
-    member_var => $member_var,
-    coll_name => $coll_name,
-    key_name => $key_name,
-    key_var => $key_var
-  );
-}
-
 sub _expand_constrain {
   my ($self, $vars, $constraint) = @_;
   DX::Op::ApplyConstraint->new(