Why does this not work ?

Alex Tweedly alex at tweedly.net
Mon Jun 17 19:13:29 EDT 2019


Because the point was to demonstrate different script lines, some of 
which work and one of which doesn't - but which to my simple mind should 
have all worked.
(and a couple of kind people explained why that one was different :-)

It was not a "real" fragment of code - in that case I would indeed have 
simply set the vis of tName.

Thanks

Alex.

On 17/06/2019 16:46, Bob Sneidar via use-livecode wrote:
> Why aren't you setting the vis of tName?
>
> Bob S
>
>
>> On Jun 10, 2019, at 17:44 , Alex Tweedly via use-livecode <use-livecode at lists.runrev.com> wrote:
>>
>> OK, this code produces an error - but I can't see why (and I worry about that :-)
>>
>> I have a field inside a group inside a group ....,
>>
>> and the following code :
>>
>>> on mouseup
>>>     local tName, t1, t2
>>>     put the long name of fld "F" into tName
>>>     put tName & ",12,13" into t1
>>>     put "t1" && t1 &CR after msg
>>>
>>>     put item 1 of t1 into t2
>>>     set the vis of t2 to TRUE
>>>     put "t2 was OK" &CR after msg
>>>
>>>     set the vis of (item 1 of t1) to TRUE
>>>     put "using parens OK" &CR after msg
>>>
>>>     set the vis of item 1 of t1 to TRUE       -- this line fails !!
>>>     put "here" &CR after msg
>>>
>>> end mouseup
>> that line fails, with the error message
>
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