Max() [8/10]

static ? int System.Linq.Enumerable.Max ( this IEnumerable< int?> source )

inlinestatic

Definition at line 5397 of file Enumerable.cs.

    {
        if (source == null)
        {
            ThrowHelper.ThrowArgumentNullException(ExceptionArgument.source);
        }
        int? result = null;
        using (IEnumerator<int?> enumerator = source.GetEnumerator())
        {
            do
            {
                if (!enumerator.MoveNext())
                {
                    return result;
                }
                result = enumerator.Current;
            }
            while (!result.HasValue);
            int num = result.GetValueOrDefault();
            if (num >= 0)
            {
                while (enumerator.MoveNext())
                {
                    int? current = enumerator.Current;
                    int valueOrDefault = current.GetValueOrDefault();
                    if (valueOrDefault > num)
                    {
                        num = valueOrDefault;
                        result = current;
                    }
                }
            }
            else
            {
                while (enumerator.MoveNext())
                {
                    int? current2 = enumerator.Current;
                    int valueOrDefault2 = current2.GetValueOrDefault();
                    if (current2.HasValue && valueOrDefault2 > num)
                    {
                        num = valueOrDefault2;
                        result = current2;
                    }
                }
            }
        }
        return result;
    }

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