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|
(* This produced a signature match error in the structure declaration even
though it had already matched in the functor result. *)
signature LONGID = sig type node type t val x: t end;
functor Longid (): LONGID =
struct
datatype node = T
type t = node list
val x = nil
end;
signature AST_ATOMS =
sig
structure Longcon: LONGID
structure Longvid:
sig
type t
val longc: Longcon.t
end
end
;
functor AstAtoms (): AST_ATOMS =
struct
structure Longcon = Longid ()
structure Longvid =
struct
structure L = Longid ()
open L
val longc = Longcon.x
end
end;
structure AstCore = AstAtoms () : AST_ATOMS;
|
