implicitVars [Was: Re: Best Practices in Rev development]

[Joe Lewis Wilkins]

Hi JB,

Seems I should have read further in the thread. (smile)

Joe Wilkins

On Jun 30, 2007, at 6:05 AM, -= JB =- wrote:

>
> On Jun 30, 2007, at 5:41 AM, David Bovill wrote:
>
>> Firstly there was a typo in the example - but it also seems I was  
>> wrong. Its
>> an old habit that perhaps was justified a long time ago?
>>
>> function countLines someLines
>>     repeat for each line someLine in someLines
>>       add 1 to lineCount
>>     end repeat
>>     return lineCount
>> end countLines
>>
>> I do remember having errors in handlers where an a variable that  
>> was first
>> declared/initiated inside a repeat loop (in this case "lineCount")  
>> would
>> return the literal text "lineCount' and not empty if the repeat  
>> loop was
>> never entered into (ie someLines) was empty - maybe it was just in  
>> a version
>> of the debugger - no idea.
>>
>> Well one bad old habit fixed :)
>
> Maybe you are thinking of a problem I have had which
> was dealt with by declaring the variable just before I
> do the repeat line.  When I am going to add to a variable
> I always make sure it has something to add to first.
>
> put 0 into lineCount
>
>> function countLines someLines
>>     repeat for each line someLine in someLines
>>       add 1 to lineCount
>>     end repeat
>>     return lineCount
>> end countLines
>
> -=>JB<=-