(* ========================================================================= *)
(* NAME/ARITY PAIRS *)
(* Copyright (c) 2004 Joe Leslie-Hurd, distributed under the BSD License *)
(* ========================================================================= *)
signature NameArity =
sig
(* ------------------------------------------------------------------------- *)
(* A type of name/arity pairs. *)
(* ------------------------------------------------------------------------- *)
type nameArity = Name.name * int
val name : nameArity -> Name.name
val arity : nameArity -> int
(* ------------------------------------------------------------------------- *)
(* Testing for different arities. *)
(* ------------------------------------------------------------------------- *)
val nary : int -> nameArity -> bool
val nullary : nameArity -> bool
val unary : nameArity -> bool
val binary : nameArity -> bool
val ternary : nameArity -> bool
(* ------------------------------------------------------------------------- *)
(* A total ordering. *)
(* ------------------------------------------------------------------------- *)
val compare : nameArity * nameArity -> order
val equal : nameArity -> nameArity -> bool
(* ------------------------------------------------------------------------- *)
(* Parsing and pretty printing. *)
(* ------------------------------------------------------------------------- *)
val pp : nameArity Print.pp
end