using System;
using System.Collections.Generic;
using System.Text;
class Pass {
public static void Value(ref int param) {
param = 42;
}
public static void Reference(WrappedInt param) {
param.Number = 42;
}
}
class WrappedInt {
public int Number;
}
class Program {
static void Entrance() {
int i = 0;
Console.WriteLine(i);
Pass.Value(ref i);
Console.WriteLine(i);
WrappedInt wi = new WrappedInt();
Console.WriteLine(wi.Number);
Pass.Reference(wi);
Console.WriteLine(wi.Number);
}
static void Main(string[] args) {
try {
Entrance();
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
}
}