delegate int IntegerOps(int x); //IntegerOps is the name of the delegate
//data type that represent all methods that accept int and return int
static void ApplyOperation(int [] X, IntegerOps ops)
{
for (int i = 0; i < X.Length; i++)
{
X[i] = ops(X[i]); //apply the operation to X[i]
}
}
static void Main()
{
int[] A = new int[] { 1, 2, 3 };
Program2.PrintArray(A);
//we want all element of A to be (+1)
ApplyOperation(A, Increment);
Program2.PrintArray(A);
//we want all element of A to be (*5)
IntegerOps multiply5 = delegate(int y)
{
return(y * 5);
};
ApplyOperation(A, multiply5);
Program2.PrintArray(A);
//we want all element of A to be raised to the power of 2
ApplyOperation(A, (int w) =>
{ return(w * w); });
Program2.PrintArray(A);
}
public Ops opsWith(IntegerOps x)
{
return this;
}