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| public sealed unsafe class SpanToMemoryMemoryManager<T> : MemoryManager<T> where T : unmanaged | |
| { | |
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | |
| public static Memory<T> GetMemory(Span<T> span) | |
| { | |
| return new SpanToMemoryMemoryManager<T>(span).Memory; | |
| } | |
| private readonly T* _ptr; | |
| private readonly int _length; | |
| public SpanToMemoryMemoryManager(Span<T> span) | |
| { | |
| _ptr = (T*)Unsafe.AsPointer(ref MemoryMarshal.GetReference(span)); | |
| _length = span.Length; | |
| } | |
| public override Span<T> GetSpan() => new Span<T>(_ptr, _length); | |
| public override Memory<T> Memory => CreateMemory(_length); | |
| public override MemoryHandle Pin(int elementIndex = 0) | |
| { | |
| if ((uint)elementIndex < (uint)_length) | |
| return new MemoryHandle(_ptr + elementIndex); | |
| throw new ArgumentOutOfRangeException(nameof(elementIndex)); | |
| } | |
| public override void Unpin() { } | |
| protected override void Dispose(bool disposing) { } | |
| } |
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