Re: Return from Handler... What am I Missing Here?
Re: Return from Handler... What am I Missing Here?
- Subject: Re: Return from Handler... What am I Missing Here?
- From: Deivy Marck Petrescu <email@hidden>
- Date: Sat, 17 Oct 2015 14:19:33 -0400
On Oct 17, 2015, at 2:16 PM, Deivy Marck Petrescu <email@hidden> wrote:
>
> On Oct 17, 2015, at 1:22 PM, S. J. Cunningham <email@hidden> wrote:
>
>> Another rookie error, I suppose. Why does the first case work and the second fail?
>>
>> -- Case 1
>> handlerName()
>> if errNum of the result ≠ 0 then
>> display dialog "Error " & errNum of the result & ": " & errMsg of the result
>> else
>> display dialog "No Error"
>> end if
>> --> "Error -1: x"
>>
>> -- Case 2
>> if errNum of handlerName() ≠ 0 then
>> display dialog "Error " & errNum of the result & ": " & errMsg of the result
>> return
>> end if
>> display dialog "No Error"
>> --> Runtime Error: "Can’t make errNum of "x" into type Unicode text."
>>
>> on handlerName()
>> set yyy to "x"
>> return {errNum:-1, errMsg:yyy}
>> end handlerName
>>
>> Steve
>> ------------------
>> OS X 10.6.8, AppleScript 2.1.2
>>
>> _______________________________________________
>
> Actually there was something surprising (at least to me) about the "result" (pun intended).
>
> I was not aware that a handler would behave this way.
> Here is the script
>
> if errMsg of handlerName() ≠ "y" then
> set k to result
> display dialog "k is " & k
> end if
> -->"k is y"
>
> set g to handlerName()
> g's errNum
> ---> -1
> on handlerName()
> set yyy to "x"
> set zzz to "y"
> return {errNum:-1, errMsg:yyy}
> end handlerName
>
> So if you act on the handler, as in the first line of the script, the result of that operation is the last variable declared on the handler.
> I never new that!
>
> Deivy
>
... never knew that!
As in it is new to me!!!
_______________________________________________
Do not post admin requests to the list. They will be ignored.
AppleScript-Users mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
Archives: http://lists.apple.com/archives/applescript-users
This email sent to email@hidden