markSave :: Monad m => Ref -> BuilderT g m ()
markSave ref = bs_circ . circ_refsave %= IS.insert (getRef ref)
markSave :: Monad m => Ref -> BuilderT g m ()
markSave ref = bs_circ . circ_refsave %= IS.insert (getRef ref)
markSave ref = bs_circ . circ_refsave %= IS.insert (getRef ref)