fact: Definition from_list : list T -> pmap := (fix from_list acc i ls {struct ls} := match ls with | nil => acc | List.cons l ls => from_list (pmap_insert i l acc) (Pos.succ i) ls end) Empty 1%positive.
imports: ExtLib.Structures.Maps ExtLib.Structures.Functor ExtLib.Data.Option ExtLib.Data.Positive ExtLib.Tactics.Cases