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Variables - Private vs. Local
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Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00882138
Message ID:
00883822
Vues:
13
Hi George
>
>I tend to declare variables at the beginning. Most often, the process is:
>
>First, I declare the variables I know I'm going to need.
>
>Second, as I work further, if there are variables I didn't anticipate, I go back and add them to the declaration.


You don't have to. In January 2002 FaxTalk article b>An Independence of Declaration Andy Kramek and Marcia Akins published DeclVar program which allows to declare a variable LOCAL using a hot key.


>
Third, and I think most importantly, I initialize the variables as close to when they're first referenced as possible. This prevents another programmer later coming in and using the same variable for another purpose. IOW, if I don't use the variable until the end of the code, that's where I initialize it. If, at a later date, someone else modifies the code and uses that variable earlier, no unknown results will occur.
>
--sb--
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