From: micha <micha-1@fantasymail.de>
To: caml-list@inria.fr
Subject: typing question
Date: Tue, 24 Apr 2007 20:14:35 +0200 [thread overview]
Message-ID: <20070424201435.38f2f5f9@hmmm.de> (raw)
Hi,
why is the type of register1 'a -> string but the type of register2
_'a -> string?
cheers
Michael
let symbol_id = ref 0;;
let register1 fkt =
let name = "symbol-" ^ (string_of_int !symbol_id) in
incr symbol_id;
Callback.register name fkt;
name
;;
let register2 =
let symbol_id = ref 1 in
fun fkt -> let name = "symbol-" ^ (string_of_int !symbol_id) in
incr symbol_id;
Callback.register name fkt;
name
;;
next reply other threads:[~2007-04-24 18:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-24 18:14 micha [this message]
2007-04-24 22:22 ` [Caml-list] " Philippe Wang
-- strict thread matches above, loose matches on Subject: below --
1999-10-25 15:07 Typing question Sylvain
1999-10-26 8:02 ` Sven LUTHER
1999-10-26 10:35 ` Sylvain
1999-10-26 18:16 ` skaller
1999-10-28 18:15 ` Jerome Vouillon
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