From: "François Pottier" <francois.pottier@inria.fr>
To: caml-list@inria.fr
Subject: Re: [Caml-list] [ANN] visitors
Date: Mon, 30 Jan 2017 17:18:37 +0100 [thread overview]
Message-ID: <588F675D.40502@inria.fr> (raw)
In-Reply-To: <588F6415.4000900@inria.fr>
Le 30/01/2017 17:04, François Pottier a écrit :
> If the two data types are unrelated, then, in order to translate the type
> "foo" to the type "bar", you need a "fold" visitor for the type "foo". You
> then have to manually implement each of the "build_" methods, so as to
> explain how each data constructor of the type "foo" should be translated.
I forgot to add that the manual has an example of converting between two
entirely unrelated types: a user-defined type "crowd" is converted to
"(string * string) list".
--
François Pottier
francois.pottier@inria.fr
http://gallium.inria.fr/~fpottier/
next prev parent reply other threads:[~2017-01-30 16:18 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-27 17:56 François Pottier
[not found] ` <fc83f6ab-90a1-8ac1-7585-a15fb7fe89bd@zoho.com>
2017-01-30 16:04 ` François Pottier
2017-01-30 16:18 ` François Pottier [this message]
2017-01-31 9:30 ` whitequark
2017-01-31 10:26 ` François Pottier
2017-01-31 21:02 ` whitequark
2017-01-31 12:46 ` François Pottier
2017-02-01 15:50 ` Emilio Jesús Gallego Arias
2017-02-01 16:48 ` François Pottier
2017-02-01 23:49 ` whitequark
2017-02-02 0:46 ` Emilio Jesús Gallego Arias
2017-03-16 11:12 ` Kakadu
2017-03-16 15:33 ` whitequark
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