(* Title: Zippy/zippy_step_mixin_base.ML Author: Kevin Kappelmann *) signature ZIPPY_STEP_MIXIN_BASE = sig include ZIPPY_GOALS_RESULTS_TOP_META_VARS_MIXIN_BASE structure PAction_Queue : ZIPPY_PACTION_QUEUE_MIXIN_BASE end functor Zippy_Step_Mixin_Base(A : sig include ZIPPY_GOALS_RESULTS_TOP_META_VARS_MIXIN_BASE structure PAction_Queue : ZIPPY_PACTION_QUEUE_MIXIN_BASE end) : ZIPPY_STEP_MIXIN_BASE = A