This site is updated infrequently. For up-to-date information, please visit the new OCaml website at ocaml.org.

[Caml-list] infix precedence
[ Home ] [ Index: by date | by threads ]
[ Search: ]

[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
 Date: 2002-05-28 (15:53) From: Remi VANICAT Subject: Re: [Caml-list] infix precedence
```dengping zhu <zhudp@cs.bu.edu> writes:

> Hi, all, I have a question about the precedence of infix in ocaml.
> I define a few infixes as follow:
>
> let (^^) x y = ...
> let (^+) x y = ...
> let (^<) x y = ...
>
> Now how can I define the precedence of them?  At first, I want to use
> brackets to solve it, but later I find out it is almost impossible because
> there are a lot of recursive functions and combination of these infixes.
>
> Can you give me any idea?

yes, the precedence of an infix in ocaml is driven by its first letter,
so :

let (^^) x y = ...
let (+^) x y = ...
let (<^) x y = ...

will make ^^ have the same precedence than ^,  +^ have the same
precedence than + and so one.

otherwise, camlp4 is the only solution.
--
Rémi Vanicat
vanicat@labri.u-bordeaux.fr
http://dept-info.labri.u-bordeaux.fr/~vanicat
-------------------
To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr
Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/
Beginner's list: http://groups.yahoo.com/group/ocaml_beginners

```