您不能通過一個運算符,但您可以通過一個功能,實現該運算符。下面是一個簡短而完整的程序來演示:
Public Shared Function Add(a As Integer, b As Integer) As Integer
Return a + b
End Function
Public Shared Function Divide(a As Integer, b As Integer) As Integer
Return a \ b ''# Backwards \ is VB integer division
End Function
Public Shared Function Calculate(a As Integer, b As Integer, op As Func(Of Integer, Integer, Integer))
Return op(a, b)
End Function
Public Shared Sub Main()
Console.Write("Divide: ")
Console.WriteLine(Calculate(4,2, AddressOf Divide))
Console.Write("Add: ")
Console.WriteLine(Calculate(4,2, AddressOf Add))
Console.Write("Multiply: ")
Console.WriteLine(Calculate(4,2, Function(x,y) x * y))
Console.Write("Subtract: ")
Console.WriteLine(Calculate(4,2, Function(x,y)
Return x - y
End Function))
Console.ReadKey(True)
End Sub
注意,我打這個直接進入回覆窗口,所以可能有在某處有一個錯誤。另請注意,最後一個示例僅適用於Visual Studio 2010,但答案的要點是準確的。
我沒有想到這樣! – Besnik 2010-10-05 14:31:11
讓我更好地制定問題。 – Besnik 2010-10-05 14:32:13