-import Class ( Class )
-import PrimOp ( PrimOp )
-import Var ( Id )
-import VarSet ( VarSet, emptyVarSet, seqVarSet )
-import BasicTypes ( OccInfo(..), isFragileOcc, isDeadOcc, seqOccInfo, isLoopBreaker,
- InsideLam, insideLam, notInsideLam,
- OneBranch, oneBranch, notOneBranch,
- Arity,
- Activation(..)
- )
-import DataCon ( DataCon )
-import TyCon ( TyCon, FieldLabel )
-import ForeignCall ( ForeignCall )