Re: 2.14pre1 null values as default parameter of macro

On Tue, Dec 23, 2008 at 11:51 PM, Jonathan Revusky <[email protected]> wrote:
> Hi,
>
> Just offhand, I think you should be able to specify null as the
> default parameter for a macro. So, this must be a bug in the 2.4pre1
> release.
>
> However, I just checked this against the latest code from SVN and it
> seems to work as you want it to work. For example, the following
> template:
> ---
> [#macro foo bar=null]
>   [#if bar?is_null] baz [/#if]
> [/#macro]
>
> [@foo/]
> ---
>
> outputs:
>
>   baz
>
> So, basically, if you just do:
>
>  svn co https://freemarker.svn.sourceforge.net/svnroot/freemarker/trunk/freemarker:
>  co freemarker

The above line should of course be:

cd freemarker

And, by the way, thanks for the feedback. We'll appreciate any
feedback from using the 2.4 codebase.

Regards,

JR


>  ant
> from the command line, you will have a freemarker.jar that behaves as you want.
>
> JR
>
> On Tue, Dec 23, 2008 at 7:50 PM, Florian Falkner
> <[email protected]> wrote:
>> Hello!
>>
>> We're are running an application with an ancient prerelease of freemarker 2.4 (namely freemarker2.4.0_090807svn.jar). So far it really works well.
>>
>> Today I tried to upgrade the application to freemarker-2.4pre1.jar and now the following construct doesn't work anymore:
>>
>> [#macro mainLayout layout=null]
>>        <!--html here -->
>>        [#if layout??]
>>                ${layout}
>>        [/#if]
>>        <!--html also here-->
>> [/#macro]
>>
>> Exception is:
>>
>> freemarker.core.InvalidReferenceException: Expression null is undefined on line 71, column 27 in ilbi/admin/admin.ftl.
>>        at freemarker.core.helpers.DefaultReferenceChecker.assertNonNull(DefaultReferenceChecker.java:18)
>>
>> Is this the desired behaviour for 2.4? If so I'll update my parameter specifications.
>>
>> thanks,
>> Florian
>>
>> ------------------------------------------------------------------------------
>> _______________________________________________
>> FreeMarker-user mailing list
>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/freemarker-user
>>
>

------------------------------------------------------------------------------