PURErat-crack-scode/decompiled/Libraries/microsoft.codeanalysis/Microsoft.CodeAnalysis.Collections.Internal/SegmentedArraySegment.cs

namespace Microsoft.CodeAnalysis.Collections.Internal;

internal readonly struct SegmentedArraySegment<T>
{
	public SegmentedArray<T> Array { get; }

	public int Start { get; }

	public int Length { get; }

	public ref T this[int index]
	{
		get
		{
			if ((uint)index >= (uint)Length)
			{
				ThrowHelper.ThrowIndexOutOfRangeException();
			}
			return ref Array[index + Start];
		}
	}

	public SegmentedArraySegment(SegmentedArray<T> array, int start, int length)
	{
		Array = array;
		Start = start;
		Length = length;
	}

	public SegmentedArraySegment<T> Slice(int start)
	{
		if ((uint)start >= (uint)Length)
		{
			ThrowHelper.ThrowArgumentOutOfRangeException();
		}
		return new SegmentedArraySegment<T>(Array, Start + start, Length - start);
	}

	public SegmentedArraySegment<T> Slice(int start, int length)
	{
		if ((ulong)((long)(uint)start + (long)(uint)length) > (ulong)(uint)Length)
		{
			ThrowHelper.ThrowArgumentOutOfRangeException();
		}
		return new SegmentedArraySegment<T>(Array, Start + start, length);
	}
}