AsSpan< T >() [8/10]

static Span< T > System.MemoryExtensions.AsSpan< T > ( this T?[] array, int start )

inlinestatic

Definition at line 301 of file MemoryExtensions.cs.

    {
        if (array == null)
        {
            if (start != 0)
            {
                ThrowHelper.ThrowArgumentOutOfRangeException();
            }
            return default(Span<T>);
        }
        if (!typeof(T).IsValueType && array.GetType() != typeof(T[]))
        {
            ThrowHelper.ThrowArrayTypeMismatchException();
        }
        if ((uint)start > (uint)array.Length)
        {
            ThrowHelper.ThrowArgumentOutOfRangeException();
        }
        return new Span<T>(ref Unsafe.Add(ref MemoryMarshal.GetArrayDataReference(array), (nint)(uint)start), array.Length - start);
    }

References System.array, System.Runtime.InteropServices.MemoryMarshal.GetArrayDataReference(), System.start, System.ThrowHelper.ThrowArgumentOutOfRangeException(), and System.ThrowHelper.ThrowArrayTypeMismatchException().