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[smlnj] Annotation of /sml/trunk/src/smlnj-lib/Util/lib-base.sml
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Annotation of /sml/trunk/src/smlnj-lib/Util/lib-base.sml

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1 : monnier 2 (* lib-base.sml
2 :     *
3 :     * COPYRIGHT (c) 1993 by AT&T Bell Laboratories. See COPYRIGHT file for details.
4 :     *)
5 :    
6 :     structure LibBase : LIB_BASE =
7 :     struct
8 :    
9 :     (* raised to report unimplemented features *)
10 :     exception Unimplemented of string
11 :    
12 :     (* raised to report internal errors *)
13 :     exception Impossible of string
14 :    
15 :     (* raised by searching operations *)
16 :     exception NotFound
17 :    
18 :     (* raise the exception Fail with a standard format message. *)
19 :     fun failure {module, func, msg} =
20 :     raise (Fail(concat[module, ".", func, ": ", msg]))
21 :    
22 :     val version = {
23 :     date = "June 1, 1996",
24 :     system = "SML/NJ Library",
25 :     version_id = [1, 0]
26 :     }
27 :    
28 :     fun f ([], l) = l
29 :     | f ([x : int], l) = (Int.toString x)::l
30 :     | f (x::r, l) = (Int.toString x) :: "." :: f(r, l)
31 :    
32 :     val banner = concat (
33 :     #system version :: ", Version " ::
34 :     f (#version_id version, [", ", #date version]))
35 :    
36 :     end (* LibBase *)
37 :    

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