Re: OO in octave.

[ernst]

Hi Sergej,
ok, then I agree: notation is rarely a need.

Let's see what the developers and users of OO in octave say
(which are also both rare!)

Feel invited.


greetings,

ERnst
>
>
>
> ----- Original Message -----
>> From: ernst <address@hidden>
>> To: "address@hidden" <address@hidden>
>> Cc: 
>> Sent: Thursday, January 31, 2013 2:13 AM
>> Subject: Re: OO in octave.
>>
>> Hi Sergei,
>>>
>>>
>>>  ----- Original Message -----
>>>>  From: ernst <address@hidden>
>>>>  To: address@hidden
>>>>  Cc: 
>>>>  Sent: Thursday, January 31, 2013 1:09 AM
>>>>  Subject: OO in octave.
>>>>
>>>>  Hi all,
>>>>  i know OO from java: x.function(a,....) means function(x,a,...)
>>>>  where the class of x determines the choice of the function.
>>>>
>>>>  For octave i did not find an according statement in the docu.
>>>>  Does octave rely on the 1st argument only, as java does or does it look
>>>>  after all?
>>>>
>>>>  greetings, Ernst
>>>  If you need only
>>>
>>>  x.function(a,....) means function(x,a,...)
>>>
>>>  then OO is just syntax sugar you do not really need.
>>>
>>>  If you need inheritance and polymorphism, then you need OO.
>>>
>>>  But Octave essentially supports polymorphism. Even UNIX/Linux 'ls' 
>> command (and many others) are polymorphic functions.
>>>  Regards,
>>>    Sergei.
>> Well, I need. inheritance and polymorphism.. yes that's what i meant by
>> "where the class of x determines the choice of the function.'
>>
>> I just wondered, whether octave checks for the first argument only.
>> And i was confused, that i did nowhere in the docu find a word about the
>> search mechanism.
>> Something like:
>> "If the first argument arg1 has class <cls> (determined by function
>> class(arg1)),
>> then the function definition is searched for in folder @<cls> and
>> subfolders recursively. "
>>
>> Is this the truth?
>>
>> Also it seems to me as if only member methods are supported. Right?
>>
>> regards,
>>
>> Ernst
>
> Ernst,
>
> I am not an Octave developer, nor I am a user of OO in Octave, so I can't 
> answer your questions.
>
> My point was that if you only need
>
> x.function(a,....) means function(x,a,...)
>
> , it is not a real need.
>
> I hope Octave developers will answer your questions in detail.
>
> Regards,
>   Sergei.
>
>