Added pools, IndexedFishMap, IndexedFishSet, fixed bugs related to FishTable.Remove, added Preview.png, various smaller additions, some refactoring too
This commit is contained in:
bbradson
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// Copyright (c) 2023 bradson
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at https://mozilla.org/MPL/2.0/.
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using System.Runtime.CompilerServices;
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namespace FisheryLib.Pools;
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public static class FishPool<T> where T : IFishPoolable
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{
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private static T?[] _freeItems = new T[4];
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private static int _freeItemCount;
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public static T Get()
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{
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if (_freeItemCount == 0)
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return Reflection.New<T>();
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var freeItem = _freeItems[--_freeItemCount];
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_freeItems[_freeItemCount] = default;
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return freeItem!;
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}
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public static void Return(T item)
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{
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item.Reset();
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if (++_freeItemCount >= _freeItems.Length)
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ExpandFreeItems();
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_freeItems[_freeItemCount - 1] = item;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void ExpandFreeItems() => Array.Resize(ref _freeItems, _freeItems.Length << 1);
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}
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@@ -0,0 +1,11 @@
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// Copyright (c) 2022 bradson
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v.2.0.If a copy of the MPL was not distributed with this
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// file, You can obtain one at https://mozilla.org/MPL/2.0/.
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namespace FisheryLib.Pools;
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public interface IFishPoolable
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{
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public void Reset();
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}
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@@ -0,0 +1,49 @@
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// Copyright (c) 2023 bradson
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at https://mozilla.org/MPL/2.0/.
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using System.Collections;
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using System.Runtime.CompilerServices;
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namespace FisheryLib.Pools;
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public record struct PooledIList<T>() : IDisposable where T : IList, new()
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{
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public T List = Get();
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private static T?[] _freeItems = new T[4];
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private static int _freeItemCount;
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public void Dispose()
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{
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if (List == null)
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return;
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Return(List);
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List = default!;
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}
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public static T Get()
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{
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if (_freeItemCount == 0)
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return Reflection.New<T>();
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var freeItem = _freeItems[--_freeItemCount];
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_freeItems[_freeItemCount] = default;
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return freeItem!;
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}
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public static void Return(T item)
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{
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item.Clear();
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if (++_freeItemCount >= _freeItems.Length)
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ExpandFreeItems();
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_freeItems[_freeItemCount - 1] = item;
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void ExpandFreeItems() => Array.Resize(ref _freeItems, _freeItems.Length << 1);
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}
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@@ -0,0 +1,62 @@
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// Copyright (c) 2023 bradson
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at https://mozilla.org/MPL/2.0/.
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using System.Security;
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using System.Text;
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using JetBrains.Annotations;
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namespace FisheryLib.Pools;
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public record struct PooledStringBuilder : IDisposable
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{
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private FishPoolable _fishPoolable;
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public StringBuilder Builder => _fishPoolable.Builder;
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public StringBuilder Append(string? value) => Builder.Append(value);
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public StringBuilder Append(char value) => Builder.Append(value);
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public StringBuilder Append(char[] value) => Builder.Append(value);
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public StringBuilder Append(PooledStringBuilderHandler value) => value.AppendToStringBuilder(Builder);
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public StringBuilder AppendLine(string? value) => Builder.AppendLine(value);
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public StringBuilder Insert(int index, string? value) => Builder.Insert(index, value);
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public StringBuilder Insert(int index, char value) => Builder.Insert(index, value);
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public StringBuilder Remove(int startIndex, int length) => Builder.Remove(startIndex, length);
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public void Clear() => Builder.Clear();
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public override string ToString() => Builder.ToString();
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[SecuritySafeCritical]
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public PooledStringBuilder() => _fishPoolable = FishPool<FishPoolable>.Get();
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public PooledStringBuilder(int minimumSize) : this()
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{
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if (_fishPoolable.Builder.Capacity < minimumSize)
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_fishPoolable.Builder.Capacity = minimumSize;
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}
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[SecuritySafeCritical]
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public void Dispose()
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{
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if (_fishPoolable.Builder == null!)
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return;
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FishPool<FishPoolable>.Return(_fishPoolable);
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_fishPoolable.Builder = null!;
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}
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private struct FishPoolable : IFishPoolable
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{
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public StringBuilder Builder = new();
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public void Reset() => Builder.Clear();
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[UsedImplicitly]
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public FishPoolable() {}
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}
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}
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// Copyright (c) 2023 bradson
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at https://mozilla.org/MPL/2.0/.
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using System.Runtime.CompilerServices;
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using System.Text;
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using JetBrains.Annotations;
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namespace FisheryLib.Pools;
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[UsedImplicitly(ImplicitUseTargetFlags.WithMembers)]
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[InterpolatedStringHandler]
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public record struct PooledStringBuilderHandler : IDisposable
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{
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private PooledIList<List<char>> _chars;
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public PooledStringBuilderHandler(int literalLength, int formattedCount)
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{
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_chars = new();
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_chars.List.EnsureCapacity(literalLength + (formattedCount * 8));
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}
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public void AppendLiteral(string s) => _chars.List.Add(s);
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public void AppendFormatted<T>(T t)
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{
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if (t != null)
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_chars.List.Add(t.ToString());
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}
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public StringBuilder AppendToStringBuilder(StringBuilder destination)
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{
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destination.Append(_chars.List);
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Dispose();
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return destination;
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}
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public void Dispose() => _chars.Dispose();
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}
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@@ -0,0 +1,38 @@
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// Copyright (c) 2023 bradson
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at https://mozilla.org/MPL/2.0/.
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using System.Runtime.CompilerServices;
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using JetBrains.Annotations;
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namespace FisheryLib.Pools;
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[UsedImplicitly(ImplicitUseTargetFlags.WithMembers)]
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[InterpolatedStringHandler]
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public record struct PooledStringHandler : IDisposable
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{
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private PooledStringBuilder _builder;
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public PooledStringHandler(int literalLength, int formattedCount)
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=> _builder = new(literalLength + (formattedCount * 8));
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public void AppendLiteral(string s) => _builder.Append(s);
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public void AppendFormatted<T>(T t)
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{
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if (typeof(T) == typeof(PooledStringBuilderHandler))
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_builder.Append(Unsafe.As<T, PooledStringBuilderHandler>(ref t));
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else
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_builder.Append(t?.ToString());
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}
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public string GetFormattedText()
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{
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var result = _builder.ToString();
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Dispose();
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return result;
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}
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public void Dispose() => _builder.Dispose();
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}
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