[Gambas-user] Feature request: Use key- (and index-)accessor in a With clause

[Benoît Minisini]

Le 13/08/2013 01:31, Benoît Minisini a écrit :
> Le 11/08/2013 13:33, Tobias Boege a écrit :
>> Hi Benoit,
>>
>> what bothers me from time to time is that With is *so* handy but can't be
>> used to access Array or Collection elements like:
>>
>> With hCollection ' or hArray
>>    Print ["key"]  ' or Print [0]
>> End With
>>
>> I see that this would be a syntactical problem because ["key"] and [0]
>> may
>> equivalently well be recognised as inline arrays. But we have another
>> option, right? There is still the ! operator which is unambiguous:
>>
>> With hCollection
>>    Print !key
>> End With
>>
>> Should be no problem if implemented. What do you think? And while we
>> are at
>> it, couldn't the ! operator at the same time get the capability to
>> support
>> integers, so that the above will also work with an array:
>>
>> With hArray
>>    Print !0
>> End With
>>
>> Regards,
>> Tobi
>>
>
> The '!' can't be used, because a!b is just syntactic sugar for a["b"].
>
> Maybe a syntax like .[x] = y could be used, as at the moment .[x] is a
> syntax error... I will think about it.
>

This is implemented in revision #5797:

Dim aStr As New String[2]
With aStr
   .[0] = "a"
   .[1] = "b"
   Print .[0];; .[1]
End With

Enjoy!

-- 
Benoît Minisini