Hi again,

 There were two functions in the Image_Noise example that I should have 
 known better: 'javac' and 'task'.
 Now I've found both of them in picoLisp/ersatz/lib.l, along with a 
 bunch of other functions that I'm sure would be nice to know. It 
 shouldn't be too hard to figure out what some of them are meant to do, 
 but for quite a few of them it could be useful (for me) with a line or 
 two of explanation. I understand that I cannot call myself a PicoLisp or 
 Ersatz expert unless I know these functions. ;-)


 On Mon, 23 Jan 2012 16:39:38 +0100, "Jon Kleiser" 
 <jon.klei...@usit.uio.no> wrote:
> Hi Alex,
>> Hi Jon,
>>>  thinking of, then I think you would need some way to extend 
>>> existing
>>>  Java classes, and override existing methods. I don't think this is
>>>  possible today. Please inform me if I'm wrong.
>> Well, yes and no ;-)
>> After all, why (again) re-invent the wheel, if all necessary 
>> mechanisms
>> of Java are there already?
> I guess I must have overlooked something ... ;-)
>> ErsatzLisp comes with a mechanism to call "native" inline Java, much 
>> the
>> same way as the other PicoLisp versions do with inline C.
>> This is done via the 'javac' function. An example can be found in
>>    http://rosettacode.org/wiki/Image_Noise#PicoLisp
>> Cheers,
>> - Alex
> I see! I wasn't aware of that powerful 'javac' function. Maybe you 
> should
> mention it here:
> <http://picolisp.com/5000/!wiki?ErsatzReflection>
> Thanks for this very useful info! I'll start using it quite soon.
> /Jon

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