Initial data commit

Task/Array-length/Visual-Basic/array-length.vb

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+' declared in a module
+Public Function LengthOfArray(ByRef arr As Variant) As Long
+  If IsArray(arr) Then
+     LengthOfArray = UBound(arr) - LBound(arr) + 1
+  Else
+     LengthOfArray = -1
+  End If
+End Function
+
+' somewhere in the programm
+' example 1
+  Dim arr As Variant
+
+  arr = Array("apple", "orange")
+
+  Debug.Print LengthOfArray(arr) ' prints 2 as result
+
+' example 2
+  Dim arr As Variant
+
+  ReDim arr(-2 To -1)
+  arr(-2) = "apple"
+  arr(-1) = "orange"
+
+  Debug.Print LengthOfArray(arr) ' prints 2 as result