I'm trying to write the VBScript equivalent of a function similar to what's below:
object getObject(str)
{
if ( ... )
{
return object_goes_here;
}
return null;
}
My guess would be below, except that I'm not understanding the difference between Nothing and Null. As a caller, I'd rather test if the return value is set by using IsNull()
versus X Is Nothing
.
Function getObject(str)
If ... Then
Set getObject = object_goes_here
Exit Function
End If
Set getObject = Nothing // <-- or should this be Null?
End Function
In your sample code, the object gets always Nothing
because that is the last action. This is how it should be:
Function getObject(str)
If ... Then
Set getObject = object_goes_here
Exit Function
End If
Set getObject = Nothing
End Function
or:
Function getObject(str)
Set getObject = Nothing
If ... Then
Set getObject = object_goes_here
End If
End Function
The answer of GSerg is correct: you should use Nothing. Additionally, to see if an object has a null reference, use:
If Not object Is Nothing Then
' do something
End If
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