From: "climb" <onlyclimb@163.com>
To: "caml-list@inria.fr" <caml-list@inria.fr>
Subject: [Caml-list] how to open the type
Date: Mon, 4 Nov 2002 16:0:4 +0800 [thread overview]
Message-ID: <200211040759.gA47xa507824@concorde.inria.fr> (raw)
I want to use hashtable on my objects which all has a method get_string:string.
but i can only write the code like these:
module SeqHashType =
struct
type t= <get_string:string >
let equal s1 s2 = (String.uppercase s1#get_string =String.uppercase s2#get_string )
let hash s = Strex.hash s#get_string
end
module SeqHashtbl = Hashtbl.Make (SeqHashType)
surely it is not what i want . i have tried
type t= <get_string:string ; ..>
but i can not complie it , the complier says Unbound ..
then how to open the type <get_string:string> in the module SeqHashType ?
or it can not be opened at this situation ?
i am a newbie and a little puzzled at open types.
Best regards
Yours
climb
onlyclimb@163.com
2002-11-03
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next reply other threads:[~2002-11-04 7:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-04 8:00 climb [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-11-04 5:17 climb
2002-11-03 14:34 climb
2002-11-03 13:28 climb
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