34 lines · 950 B · Standard ML
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(* Example use of Gdbm persistent hashtables.   File mosml/src/dynlibs/mgdbm/example1.sml. *) load "Gdbm"; open Gdbm; (* Some example data: *) val _ = print "\nCreating a new database in file \"monthnames\".\n"; local val monthnames =     [("January", "janvier"), ("february", "fevrier"), ("March", "mars"),      ("April", "avril"), ("May", "mai"), ("June", "juin"),     ("July", "juillet"), ("August", "aout"), ("September", "septembre"),     ("October", "octobre"), ("November", "novembre"), ("December", "decembre")     ];in 					          val _ = withtable ("monthnames", NEWDB) 	              (fn db => List.app (add db) monthnames);end val _ = print "Dumping database:\n"; val _ = withtable ("monthnames", READER)             (app (fn (k, v) => (print k; print "/"; print v; print "\n"))); val _ = print "\nNow try e.g.   lookup \"July\";\n\n"; fun lookup mn =     withtable ("monthnames", READER) (fn db => peek db mn);