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Nested IIF()'s Versus ICASE()
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
01298206
Message ID:
01298229
Vues:
23
>What's the differences between nested IIF()'s and ICASE(). From what I can see, there's not
>alot of difference syntactically. Are there any performance differences?
>
>
>? ICASE(1 # 1, "One",;
>		2 # 2, "Two",;
>		3 = 3, "Three")
>
>? IIF(1 # 1, "One", IIF(2 # 2, "Two", IIF(3 = 3, "Three", "" )))
>
>
>Of course, the ICASE seems more readable than the IIF()'s.

One difference is that this ICASE will return .NULL. if all conditions evaluate to false because no Otherwise is set. If performance is a concern try to put the most likely to occur case first.
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