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[Caml-list] infix precedence
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| Date: | -- (:) |
| From: | Daniel de Rauglaudre <daniel.de_rauglaudre@i...> |
| Subject: | Re: [Caml-list] infix precedence |
Hi,
On Tue, May 28, 2002 at 10:48:33PM -0400, dengping zhu wrote:
> Hi, Daniel, it works very well.
> Thanks a lot!
Thanks. BTW, another way to turn around the problem of "let (op1) x y"
which does not work (the problem is actually more complicated that I
thought), you can give the function another name, for example by
changing:
[ [ x = SELF; $op$; y = SELF -> <:expr< $lid:op$ $x$ $y$ >> ] ];
into:
[ [ x = SELF; $op$; y = SELF -> <:expr< $lid:"f_" ^ op$ $x$ $y$ >> ] ];
This way, when doing
add_infix "*" "op1"
the rule creates the infix "op1" associated with the function "f_op1"
that you can define without parsing problem with:
let f_op1 x y = ...
and "a op1 b" is therefore equivalent to "f_op1 a b".
--
Daniel de RAUGLAUDRE
daniel.de_rauglaudre@inria.fr
http://cristal.inria.fr/~ddr/
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