给定以下代码:
namespace GcDemo
{
class Program
{
static void Main(string[] args)
{
var list = new List<object>();
Console.WriteLine("list is in {0} generation.", GC.GetGeneration(list));
GC.Collect();
Console.WriteLine("list is in {0} generation.", GC.GetGeneration(list));
GC.Collect();
list.Add(new object());
Console.WriteLine("list is in {0} generation. object is in {1} generation.", GC.GetGeneration(list), GC.GetGeneration(list[0]));
GC.Collect(0);
Console.WriteLine("list is in {0} generation. object is in {1} generation.", GC.GetGeneration(list), GC.GetGeneration(list[0]));
}
}
}
list 对象在 Gen 2 中,而它是第 0 代中唯一的引用 list[0] 对象。它怎么知道不在 GC.Collect(0) 中收集它?