[Xerte] Accessing associative arrays via variable?

[Dave Burnett]

No problem. Thanks.
I've discarded the TextSnapshot thingy as useless (and undoable anyway, as it requires static text). So the asfunction route is pretty much the only dynamic way to go.

I can't see any downside in the way I'm using it, but wondered what had stirred your reservations.



Subject: RE: [Xerte] Accessing associative arrays via variable?
Date: Tue, 29 Dec 2009 15:46:06 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk










Can't remember offhand - need to check it out next week...



From: xerte-bounces at lists.nottingham.ac.uk on behalf of Dave Burnett
Sent: Tue 29/12/2009 13:32
To: Xerte list
Subject: RE: [Xerte] Accessing associative arrays via variable?



Julian, before I go much further down this road, I ran across this and was wondering if you could elaborate:

"I commented out that functionality as I wasn't too happy with the way it worked,.."

http://lists.nottingham.ac.uk/pipermail/xerte/2009-April/001421.html

Hope Santa didn't bring too many lumps of coal to the Xerte listers.

Dave




Subject: RE: [Xerte] Accessing associative arrays via variable?
Date: Sun, 27 Dec 2009 22:46:43 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk





b = new Object();
b.blah = 'value';
v='blah';
debug(b[v]); //works for me



From: xerte-bounces at lists.nottingham.ac.uk on behalf of Dave Burnett
Sent: Sun 27/12/2009 21:49
To: Xerte list
Subject: RE: [Xerte] Accessing associative arrays via variable?


help_defs = new Object();
helps_defs.Atomic = "Roosters are atomic";
debug(helps_defs.Atomic); // gives me "Roosters are atomic"


myVar = 'Atomic';
debug(help_defs[myVar]); // gives me undefined.





Subject: RE: [Xerte] Accessing associative arrays via variable?
Date: Sun, 27 Dec 2009 21:23:56 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk





myVar = 'Atomic';
debug(help_defs[myVar]);



From: xerte-bounces at lists.nottingham.ac.uk on behalf of Dave Burnett
Sent: Sun 27/12/2009 18:05
To: Xerte list
Subject: [Xerte] Accessing associative arrays via variable?



help_defs = new Object();
helps_defs.Atomic = "Roosters are atomic";
debug(helps_defs.Atomic); // gives me "Roosters are atomic"

Can I sub a variable into the place of .Atomic in that last statement?

Sort of like in AW, to call a value from a property list using a variable for the property name I'd use:

Trace(my_prop_list[Symbol("a"^some_variable)]) 


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