Esempio n. 1
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 @Override
 public final boolean removable(final Var var) {
   for (final Expr step : steps) if (step.uses(var)) return false;
   return root == null || root.removable(var);
 }
Esempio n. 2
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 @Override
 public boolean removable(final Var v) {
   return weight.removable(v) && super.removable(v);
 }
Esempio n. 3
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 @Override
 public boolean removable(final Var var) {
   if (occ != null) for (final Expr o : occ) if (!o.removable(var)) return false;
   return query.removable(var);
 }
Esempio n. 4
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 @Override
 public final boolean removable(final Var v) {
   for (final Expr s : steps) if (!s.removable(v)) return false;
   return super.removable(v);
 }
Esempio n. 5
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 @Override
 public boolean removable(final Var var) {
   for (final Expr e : exprs) if (!e.removable(var)) return false;
   return true;
 }
Esempio n. 6
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 @Override
 public boolean removable(final Var v) {
   return root == null || root.removable(v);
 }