Re: libseed-list Fwd: [Bug 610317] New: Provide a builtin dir() function

[Tim Horton <hortont424 gmail com>]

The name and very specific scope/usage are classic Python, for what it's worth. And I've actually gotten a bunch of emails asking why Seed doesn't have something similar...

On Feb 17, 2010, at 21:15, Alan Knowles wrote:

> Apart from the rather awful name (When I first saw it, I expected it to scan directories) - A more generic function may be better..
> 
> Note: - this does not mess with prototypes, which can cause real nightmares..
> 
> Object.filter =  function(o, fn, scope){
>           var ret = [];
>           for(var p in o){
>               if(fn.call(scope , o[p], p, o, ret) === false){ return ret; };
>           }
> 	    return ret;
>       };
> 
> Object.filter(obj, 		function(v, k, o, ret) {
> 			 if (typeof(k) != 'number') ret.push(k);
> 		 }
>      ).join(' ,');
> 
> 
> 
> It made me wonder how much of the JS 1.6 iterator support is available in webkit.. - never really looked at it, as it's been so mozilla specific before..
> https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Objects/Array
> 
> Regards
> Alan
> 
> 
> Tim Horton wrote:
>> Do people think this belongs on the Seed object (Seed.dir()) or should it be global? We were trying not to clutter up the global namespace, but making it global would probably make it more obvious for people coming from elsewhere.
>> 
>> Begin forwarded message:
>> 
>>> *From: *"seed" (bugzilla.gnome.org <http://bugzilla.gnome.org>) <bugzilla gnome org <mailto:bugzilla gnome org>>
>>> *Date: *February 17, 2010 17:11:02 EST
>>> *To: *hortont424 gmail com <mailto:hortont424 gmail com>
>>> *Subject: **[Bug 610317] New: Provide a builtin dir() function*
>>> 
>>> https://bugzilla.gnome.org/show_bug.cgi?id=610317
>>> seed | libseed | git head
>>> 
>>>          Summary: Provide a builtin dir() function
>>>   Classification: Other
>>>          Product: seed
>>>          Version: git head
>>>       OS/Version: Linux
>>>           Status: UNCONFIRMED
>>>         Severity: normal
>>>         Priority: Normal
>>>        Component: libseed
>>>       AssignedTo: seed-maint gnome bugs
>>>       ReportedBy: diegoe gnome org
>>>     GNOME target: ---
>>>    GNOME version: ---
>>> 
>>> 
>>> Just like in Python, this is doable in Javascript easily:
>>> 
>>> function dir(object)
>>> {
>>>   methods = [];
>>>   for (z in object) if (typeof(z) != 'number') methods.push(z);
>>>   return methods.join(', ');
>>> }
>>> 
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>> 
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>> 
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>