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LIB-BSIG.SML
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1996-12-09
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875b
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(* lib-base-sig.sml
*
* COPYRIGHT (c) 1993 by AT&T Bell Laboratories. See COPYRIGHT file for details.
*)
signature LIB_BASE =
sig
exception Unimplemented of string
(* raised to report unimplemented features *)
exception Impossible of string
(* raised to report internal errors *)
exception BadArg of string
(* raised to report semantically incorrect arguments. For consistency,
* the string should include the library module and function names.
* The function badArg is provided for this purpose.
*)
val badArg : {module : string, func : string, msg : string} -> 'a
(* raise the exception BadArg with a standard format message. *)
datatype relation = Equal | Less | Greater
(* this is returned by collating functions *)
val version : {major : int, minor : int, date : string}
val versionName : string
end (* LIB_BASE *)