-- import           Database.Algebra.Dag.Common
-- import           Database.DSH.VSL.Lang

pruneEmpty :: VSLRewrite TExpr TExpr Bool
pruneEmpty = applyToAll inferBottomUp emptyRules
pruneEmpty :: VSLRewrite TExpr TExpr Bool
pruneEmpty = applyToAll inferBottomUp emptyRules
pruneEmpty = applyToAll inferBottomUp emptyRules