úÎâð      2Modify a record element and return its old value. 2Modify a record element and return its new value. Infix variant of . Infix variant of .     2Modify a record element and return its old value. 2Modify a record element and return its new value. Infix variant of  . Infix variant of  .          data-accessor-transformers-0.2.1Data.Accessor.Monad.Trans.StateData.Accessor.Monad.Trans.RWSsetgetmodify getAndModify modifyAndGet%=%:liftliftT