Bruce,
In theory you can change any function to fail instead of doing a runtime
error, here is how I would do isClass()
procedure isClass(c)
local cname
&error := 1 # convert runtime errors to failures
cname := classname(c)
&error := 0
return \cname
end
Cheers,
Jafar
On Thu, Apr 18, 2013 at 9:16 PM, Bruce & Breeanna Rennie <
bren...@dcsi.net.au> wrote:
> Good morning Gentlemen,
>
> Further to my original note, I thought it might be useful to show the
> procedure that I am using.
>
> procedure isClass(_val, _classname)
> local t := type(_val)
> if right(t,7) == "__state" then
> return classname(_val) == _classname
> else
> return fail
> end
>
> If there is a better way to do this, I will be grateful to know it.
>
> regards and thanks
>
> Bruce Rennie
>
>
> On 18/04/13 23:54, Bruce & Breeanna Rennie wrote:
>
> Clint and Jafar,
>
> How much effort would it be to change the behaviour of the function
> "classname" to fail on a non-class value instead of aborting the
> program? Are there any of the other functions that would be better off
> failing instead of aborting?
>
> In its current form it is just about useless for writing generalised
> code using it. I am finding that a routine using type gives me more
> generic results.
>
> regards
>
> Bruce Rennie.
>
> ------------------------------------------------------------------------------
> Precog is a next-generation analytics platform capable of advanced
> analytics on semi-structured data. The platform includes APIs for building
> apps and a phenomenal toolset for data science. Developers can use
> our toolset for easy data analysis & visualization. Get a free
> account!http://www2.precog.com/precogplatform/slashdotnewsletter
> _______________________________________________
> Unicon-group mailing
> listUnicon-group@lists.sourceforge.nethttps://lists.sourceforge.net/lists/listinfo/unicon-group
>
>
>
>
> ------------------------------------------------------------------------------
> Precog is a next-generation analytics platform capable of advanced
> analytics on semi-structured data. The platform includes APIs for building
> apps and a phenomenal toolset for data science. Developers can use
> our toolset for easy data analysis & visualization. Get a free account!
> http://www2.precog.com/precogplatform/slashdotnewsletter
> _______________________________________________
> Unicon-group mailing list
> Unicon-group@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/unicon-group
>
>
------------------------------------------------------------------------------
Precog is a next-generation analytics platform capable of advanced
analytics on semi-structured data. The platform includes APIs for building
apps and a phenomenal toolset for data science. Developers can use
our toolset for easy data analysis & visualization. Get a free account!
http://www2.precog.com/precogplatform/slashdotnewsletter
_______________________________________________
Unicon-group mailing list
Unicon-group@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/unicon-group
