Re: Should I check existence of Global variable

From: <chiappa_at_my-deja.com>
Date: Mon, 18 Dec 2000 10:21:56 GMT
Message-ID: <91kog1$bnn$1@nnrp1.deja.com>

Very easy : use the default_value built-in, it check if the global exists, this way :

....

default_value(:global.my_global_var, 'X'); -- If not exists, create

with a value of X if :global.my_global.var = 'X' then ...

[]s

Chiappa

In article <91jrt6$n1r$1_at_nnrp1.deja.com>, asifabbas_at_my-deja.com wrote:
> Hello,
>
> I want to check whether Global variable already used or not. Because I
> developer 6 if Global variable is not already used and I tried to
check
> its value, a error message is displayed. And without this check I
cannot
> continue to developed that part of software.
>
> Asif Abbas.
>
> Sent via Deja.com
> http://www.deja.com/
>

Sent via Deja.com
http://www.deja.com/ Received on Mon Dec 18 2000 - 04:21:56 CST