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Goto / Return

Goto¶

Syntax¶

Goto <label>

' …

<label>:
  ' target statements

Description¶

Jumps unconditionally to the named <label>: elsewhere in the same procedure.
Labels are identifiers followed by a colon.
Use sparingly—overuse can make code hard to follow.

Example¶

Dim n As Integer = 0

LoopStart:
If n >= 3 Then 
   GoTo EndLoop
End If
Print("n = " + n.ToString)
n += 1
GoTo LoopStart

EndLoop:
Print("Done looping.")

Return¶

Syntax (in Functions or Subs)¶

Return [<expression>]

Description¶

Immediately exits the current Sub or Function.
In a Function, optional <expression> supplies the return value.

Example¶

Function Factorial(n As Integer) As Integer
  If n < 2 Then Return 1
  Return n * Factorial(n - 1)
End Function

Print("5! = " + str(Factorial(5)))  ' Outputs 5! = 120