Cobol_common.Symbolic
module NEL = Basics.NEL
module type SYMBOL = sig ... end
module type LINEXPR = sig ... end
module Linear_exprs (Var : SYMBOL) (Const : SYMBOL) : LINEXPR with type var := Var.t and type const := Const.t and type 'a valuation := 'a Stdlib.Map.Make(Var).t and type const_values := int Stdlib.Map.Make(Const).t