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694 B
C#
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//
// This program excercises invoking foreach on structures
// that implement GetEnumerator
//
using System;
using System.Collections;
struct X {
int [] a;
public IEnumerator GetEnumerator ()
{
a = new int [3] { 1, 2, 3};
return a.GetEnumerator ();
}
}
class Y {
static X x;
public static int Main ()
{
int total = 0;
x = new X ();
foreach (object a in x){
total += (int) a;
}
if (total != 6)
return 1;
total = 0;
foreach (object a in new X ()){
total += (int) a;
}
if (total != 6)
return 3;
total = 0;
//
// implicit block
//
foreach (object a in x)
total += (int) a;
if (total != 6)
return 2;
return 0;
}
}