<PackageReference Include="MemoryExtensions" Version="1.0.3" /> 

var arrayOwner = ArrayPool.Rent<byte>(10); // var arrayOwner = ArrayPool<byte>.Shared.RentArrayOwner(10); for (var i = 0; i < arrayOwner.Length; i++) { arrayOwner.Array[i] = (byte)i; } // return the array to pool arrayOwner.Dispose(); 

var writer = new RecyclableBufferWriter<byte>(4); writer.Write((byte)1); writer.Write(new byte[] { 2, 3, 4 }); writer.WriteBigEndian(int.MaxValue); var writtern = writer.WrittenSpan; // 1,2,3,4,127,255,255,255 // return the buffer to pool writer.Dispose(); 

var writer = new ResizableBufferWriter<byte>(4); writer.Write((byte)1); writer.Write(new byte[] { 2, 3, 4 }); writer.WriteBigEndian(int.MaxValue); var writtern = writer.WrittenSpan; // 1,2,3,4,127,255,255,255 

var array = new byte[16]; var writer = array.CreateWriter(); // var writer = new MemoryBufferWriter(array); writer.WriteBigEndian(18); writer.WriteBigEndian(2.01f); var reader = new BufferReader(array); reader.ReadBigEndian(out int v1); reader.ReadBigEndian(out float v2); 

var owner = MemoryPool<byte>.Shared.Rent(10); new byte[] { 1, 2, 3, 4 }.CopyTo(owner.Memory.Span); var sliced = owner.Slice(0, 2); // 1,2 // return the memory to pool sliced.Dispose();