LongCount< TSource >() [1/2]

static long System.Linq.Enumerable.LongCount< TSource > ( this IEnumerable< TSource > source )

inlinestatic

Definition at line 4512 of file Enumerable.cs.

    {
        if (source == null)
        {
            ThrowHelper.ThrowArgumentNullException(ExceptionArgument.source);
        }
        long num = 0L;
        using IEnumerator<TSource> enumerator = source.GetEnumerator();
        while (enumerator.MoveNext())
        {
            num = checked(num + 1);
        }
        return num;
    }

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