Module Dataflow.BackwardsTransfer.StmtStartData


module StmtStartData: Dataflow.StmtStartData  with type data = t
For each block id, the data at the start. This data structure must be initialized with the initial data for each block

type data 
val clear : unit -> unit
val mem : int -> bool
val find : int -> data
val replace : int -> data -> unit
val add : int -> data -> unit
val iter : (int -> data -> unit) -> unit