[Xerte] Re: sum part of array?

[Julian Tenney]

You want an engine method, or those additional parameters adding to sum()? Easy to do...

From: xerte-bounces at lists.nottingham.ac.uk [mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: 26 July 2011 16:25
To: Xerte list
Subject: [Xerte] Re: sum part of array?



Ah, could do.


But this is getting uglier than I thought.
I just wondered if there was any internal way to parameter sum().
e.g. my_array.sum(0,3);


That kind of thing.
Looks like no.


> Date: Tue, 26 Jul 2011 16:15:39 +0100
> From: patrick.lockley at googlemail.com
> To: xerte at lists.nottingham.ac.uk
> Subject: [Xerte] Re: sum part of array?
>
> i forgot to read that part of the requirements.....
>
> doesn't flash have a slice?
>
> http://www.adobe.com/support/flash/action_scripts/actionscript_dictionary/actionscript_dictionary067.html
>
> On Tue, Jul 26, 2011 at 4:11 PM, Dave Burnett <d_b_burnett at hotmail.com> wrote:
> >
> >
> > Legpuller.
> >
> >
> > Besides using the evil eval, how does it limit the indexes it acts on?
> >
> >
> >
> >
> >
> >
> >> Date: Tue, 26 Jul 2011 15:29:49 +0100
> >> From: patrick.lockley at googlemail.com
> >> To: xerte at lists.nottingham.ac.uk
> >> Subject: [Xerte] Re: sum part of array?
> >>
> >> eval(array.join("+")) ?
> >>
> >> On Tue, Jul 26, 2011 at 2:50 PM, Dave Burnett <d_b_burnett at hotmail.com>
> >> wrote:
> >> >
> >> >
> >> > Just out of curiosity, is there any way to sum part of an array?
> >> >
> >> >
> >> > [1,2,3,4,5]
> >> >
> >> >
> >> > Lets say I have an index variable and I always will want to sum from 0
> >> > to
> >> > that variable.
> >> >
> >> >
> >> > pseudo
> >> > my_array.sum(0,var);
> >> >
> >> >
> >> > Or am I forced to loop + add?
> >> >
> >> >
> >> > Or any elegant way to create a temp array of the target elements and sum
> >> > on
> >> > that instead?
> >> >
> >> >
> >> > Dave
> >> >
> >> >
> >> >
> >> >
> >> >
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