Re: [Vala] Math.exp2 not portable

[pancake <pancake youterm com>]

Does the compiler knows about comment directives?

It's ok to me if this is handled by valac.

The only warning will be thrown at compile time

On Thu, Jan 31, 2008 at 06:38:38PM +0100, Cl?ment DAVID wrote:
> I think the a 'Deprecated' tag must be too hard to use.
>
> For this case a @deprecated in the comment, like doxygen, can be
> sufficient for many people.
>
> The message won't be visible for users but developers know that there
> is a problem with this method and why.
>
> /**
>  * Bla Bla Bla
>  * @param arg Arguments text.
>  * @return Returns text
>  *
>  * @deprecated Why not use text
>  */
> int foo(int arg);
>
> 2008/1/31, pancake <pancake youterm com>:
> > On Wed, Jan 30, 2008 at 09:48:11PM +0100, J?rg Billeter wrote:
> > > On Wed, 2008-01-23 at 11:10 +0100, pancake wrote:
> > > > But the reality is another:
> > > >
> > > >  http://www.gnu.org/software/gnulib/manual/html_node/exp2.html
> > >
> > > We don't guarantee that all functionality provided in Vala bindings is
> > > available on all platforms. exp2 is a standard C function, I don't see
> > > an issue in keeping it in the bindings, it's hardly an exotic function.
> >
> > it's only a GNU standard. btw i'm thinking about the possibility to mark
> > some methods as deprecated with an associated explanatory string.
> >
> > This would be nice to develop, so you can mark a method as deprecated, and
> > all the times you call it the compiler will show you the 'error message':
> >
> > [Deprecated (reason="foo() method has been deprecated, please use bar()")]
> > public void foo() {
> >         ...
> > }
> >
> >
> > or something like that :) what do you think?
> >
> > it has nothing to do with the exp2 problem, but maybe we should warn or alias
> > exp2(x) as pow(2,x) that performs the same operation...so a tip like that can
> > be added into the vapi as [Deprecated] or [Tip] or whatever else, to let this
> > decission relay on the developer.
> >
> > --pancake
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