29 lines
388 B
C#
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using System;
using System.Collections.Generic;
class Program
{
static void Main()
{
foreach (string x in new B ()) {
}
}
}
class A
{
public IEnumerator<string> GetEnumerator ()
{
var s = new List<string>();
s.Add("1");
return s.GetEnumerator();
}
}
class B : A
{
public IEnumerator<int> GetEnumerator (int[] x = null)
{
throw new NotImplementedException ();
}
}