Re: [Caml-list] How to use ocaml.warning

["Nicolás Ojeda Bär" <nicolas.ojeda.bar@lexifi.com>]

Hi Ian,

On Fri, Jul 26, 2019 at 5:53 PM Ian Zimmerman <itz@very.loosely.org> wrote:
>
> On 2019-07-26 04:37, Nicolás Ojeda Bär wrote:
>
> > In this case, you would want to attach the warning to the "let" binding:
> >
> >     let[@warning "-8"] (i, j) :: rest = l in ...
> >
> > Equivalently, you can use a postfix form:
> >
> >     let (i, j) :: rest = l [@@warning "-8"] in ...
> >
> > You can also attach the attribute to the whole "let" expression:
> >
> >     (let (i, j) :: rest = l in ...) [@warning "-8"]
> >
> > In this case, the warning is also disabled in the body of the "let"
> > expression.
> >
> > Going one step further, you can disable the warning on a whole section
> > of a file by using a "floating" form of the attribute:
> >
> >     [@@@warning "-8"]
> >     ...
> >
> > In this case, the warning will be disabled for any item appearing
> > after the attribute.
>
> Thanks.  But the manual says "ocaml.warning", not "warning".  What am I
> misunderstanding?

Actually both names are recognized. The long name ocaml.warning is to
be preferred when there is danger of shadowing (say, by a ppx
preprocessor).

Best wishes,
--
Nicolás OJEDA BÄR
nicolas.ojeda.bar@lexifi.com
https://www.lexifi.com

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