Dim temperature As Integer? = 42
Dim speed As Integer? = Nothing
Dim firstName As String = "Marco"
Dim lastName As String = Nothing

Dim t As Integer = If(temperature, 0) 	' t = 42
Dim s As Integer = If(speed, 0) 			' s = 0
Dim name As String
name = If(firstName, "").ToLower() _
+ " " _
+ If(lastName, "").ToUpper()
