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RecyclableListExtensions.CopyTo fixed to copy items from the last block in the range

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Marek Lemańczyk committed 2023-03-11 22:12:50 +01:00
1 parent 9b9b683462
commit 1ea0af8d34
1 file changed
+4 -4
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Recyclable.Collections/RecyclableListExtensions.cs
+4 -4
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@@ -17,12 +17,12 @@ namespace Recyclable.Collections
public static void CopyTo<T>(this T[][] sourceMemoryBlocks, long startingIndex, int blockSize, long itemsCount, T[] destinationArray, int destinationArrayIndex)
{
Memory<T> sourceBlockMemory;
Memory<T> destinationArrayMemory;
Span<T> sourceBlockMemory;
Span<T> destinationArrayMemory;
int startingBlockIndex = (int)(startingIndex / blockSize);
int lastBlockIndex = (int)((itemsCount / blockSize) + (itemsCount - (itemsCount / blockSize) > 0 ? 1 : 0)) - 1;
Span<T[]> sourceMemoryBlocksSpan = new(sourceMemoryBlocks, startingBlockIndex, lastBlockIndex - startingBlockIndex + 1);
destinationArrayMemory = new Memory<T>(destinationArray, destinationArrayIndex, destinationArray.Length);
destinationArrayMemory = new Span<T>(destinationArray, destinationArrayIndex, destinationArray.Length - destinationArrayIndex);
int memoryBlockIndex;
for (memoryBlockIndex = 0; memoryBlockIndex < lastBlockIndex; memoryBlockIndex++)
{
@@ -33,7 +33,7 @@ namespace Recyclable.Collections
if (itemsCount % blockSize > 0)
{
sourceBlockMemory = new(sourceMemoryBlocksSpan[^1], 0, (int)(itemsCount % blockSize));
sourceBlockMemory = new(sourceMemoryBlocksSpan[lastBlockIndex], 0, (int)(itemsCount % blockSize));
sourceBlockMemory.CopyTo(destinationArrayMemory);
}
}