Average() [9/10]

static double System.Linq.Enumerable.Average ( this IEnumerable< long > source )

inlinestatic

Definition at line 3764 of file Enumerable.cs.

    {
        if (source == null)
        {
            ThrowHelper.ThrowArgumentNullException(ExceptionArgument.source);
        }
        checked
        {
            using IEnumerator<long> enumerator = source.GetEnumerator();
            if (!enumerator.MoveNext())
            {
                ThrowHelper.ThrowNoElementsException();
            }
            long num = enumerator.Current;
            long num2 = 1L;
            while (enumerator.MoveNext())
            {
                num += enumerator.Current;
                num2++;
            }
            return (double)num / (double)num2;
        }
    }

References System.Collections.Generic.Dictionary< TKey, TValue >.GetEnumerator(), System.L, System.Linq.source, System.Linq.ThrowHelper.ThrowArgumentNullException(), and System.Linq.ThrowHelper.ThrowNoElementsException().