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: 114 : 116 : 2 |
There ought to be a better way of checking for an empty List than checking for a no-op Forall or trapping error 120. Perhaps extending IsEmpty to cover? I'd find that particularly helpful with class coding, when I'd often like to defer populating a List member until the first call to a method that uses it.
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1) Slawek Rogulski9372 (13 Dec 2007)
Absolutely!
2) Charles Robinson8913 (13 Dec 2007)
This has driven me nuts for a very long time.
3) Michael Sobczak2837 (31 Dec 2007)
We're talking about arrays, then? Definitely. I hate having to maintain a separate index variable and check it for 0 or -1 to see if the array is empty or not.
4) Thomas Kennedy95 (07 Jan 2008)
Michael, I always, always put arrays inside a collection object, with add and remove methods and a public integer property Count. It simplifies enormously dealing with arrays.
5) Jim Fricker49 (29 Jul 2008)
I think Stan is referring to a list, not an array, and a collection can only hold documents, a list can hold anything. eg Dim myList List as Variant
6) Erik Brooks915 (05 Mar 2010)
Here you go:
Function IsListEmpty (ListStuff As Variant) As Integer
isListEmpty = True
Forall stuff In ListStuff
If Listtag(stuff) = "" Then
isListEmpty = True
Exit Function
Else
isListEmpty = False
Exit Function
End If
End Forall
End Function
Function IsListEmpty (ListStuff As Variant) As Integer
isListEmpty = True
Forall stuff In ListStuff
If Listtag(stuff) = "" Then
isListEmpty = True
Exit Function
Else
isListEmpty = False
Exit Function
End If
End Forall
End Function
7) Kenneth Axi2537 (03 Aug 2011)
@6 Erik: Yes, but that should be included directly into LotusScript and You shouldn't have to construct Your own function for it. I think that the function IsEmpty() definitly should be expanded to be used for Lists as well.
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