To expand and clarify
The first expression is 1
The second expression is 2
There are no negative values used
-----Original Message-----
From: Charles Stevenson <stevenson.c...@gmail.com>
To: U2 Users List <u2-users@listserver.u2ug.org>
Sent: Thu, Sep 15, 2011 9:33 am
Subject: Re: [U2] I-type Subvalue question
@ w/o a number means previous expression.
hese 2 mean the same thing:
TRANS('ORDERS', ORDKEY, LINES, 'X'); @<1,1,2>
TRANS('ORDERS', ORDKEY, LINES, 'X'); @1<1,1,2>
On 9/15/2011 11:18 AM, Woodward, Bob wrote:
Wait a minute... How do you point to the previous expression? @<-1>????
-----Original Message-----
From: u2-users-boun...@listserver.u2ug.org
[mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of Wols Lists
Sent: Thursday, September 15, 2011 9:05 AM
To: U2 Users List
Subject: Re: [U2] I-type Subvalue question
On 15/09/11 14:38, Charles Stevenson wrote:
> Allows you to reference this I-descriptor from another I-descriptor
> in the future.
> UV doesn't let you do that if there are multiple expressions
> separated by semi-colons.
> There is no good reason for that restriction other than internal,
> how it was implemented.
I think Prime might have had the same restriction. But it's because UV
doesn't reference one I-descriptor from another, it expands it and all
the @s end up pointing to the wrong place. Actually, so if your @ merely
points at the previous expression, it should work. It's as soon as you
use @1 @2 etc that it'll blow up.
Cheers,
Wol
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