// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information.

using System;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;

using Microsoft.Scripting.Runtime;
using Microsoft.Scripting.Utils;

namespace Microsoft.Scripting {
    public abstract class MutableTuple {
        public const int MaxSize = 128;
        private static readonly Dictionary<Type, int> _sizeDict = new Dictionary<Type, int>();

        public abstract object GetValue(int index);
        public abstract void SetValue(int index, object value);

        /// <summary>
        /// Sets the value at the given index for a tuple of the given size.  This set supports
        /// walking through nested tuples to get the correct final index.
        /// </summary>
        public void SetNestedValue(int size, int index, object value) {
            if (size < MutableTuple.MaxSize) {
                // fast path
                SetValue(index, value);
            } else {
                // slow path
                MutableTuple res = this;
                int lastAccess = -1;
                foreach (int i in GetAccessPath(size, index)) {
                    if (lastAccess != -1) {
                        res = (MutableTuple)res.GetValue(lastAccess);
                    }
                    lastAccess = i;
                }
                res.SetValue(lastAccess, value);
            }
        }

        /// <summary>
        /// Gets the value at the given index for a tuple of the given size.  This get
        /// supports walking through nested tuples to get the correct final index.
        /// </summary>
        public object GetNestedValue(int size, int index) {
            if (size < MutableTuple.MaxSize) {
                // fast path
                return GetValue(index);
            }

            // slow path
            object res = this;
            foreach (int i in GetAccessPath(size, index)) {
                res = ((MutableTuple)res).GetValue(i);
            }
            return res;
        }

        /// <summary>
        /// Gets the unbound generic Tuple type which has at lease size slots or null if a large enough tuple is not available.
        /// </summary>
        public static Type GetTupleType(int size) {
            #region Generated Tuple Get From Size

            // *** BEGIN GENERATED CODE ***
            // generated by function: gen_get_size from: generate_tuples.py

            if (size <= MutableTuple.MaxSize) {
                if (size <= 1) {
                    return typeof(MutableTuple<>);
                } else if (size <= 2) {
                    return typeof(MutableTuple<, >);
                } else if (size <= 4) {
                    return typeof(MutableTuple<, , , >);
                } else if (size <= 8) {
                    return typeof(MutableTuple<, , , , , , , >);
                } else if (size <= 16) {
                    return typeof(MutableTuple<, , , , , , , , , , , , , , , >);
                } else if (size <= 32) {
                    return typeof(MutableTuple<, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , >);
                } else if (size <= 64) {
                    return typeof(MutableTuple<, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , >);
                } else {
                    return typeof(MutableTuple<, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , >);
                }
            }

            // *** END GENERATED CODE ***

            #endregion

            return null;
        }

        /// <summary>
        /// Creates a generic tuple with the specified types.  
        /// 
        /// If the number of slots fits within the maximum tuple size then we simply 
        /// create a single tuple.  If it's greater then we create nested tuples 
        /// (e.g. a Tuple`2 which contains a Tuple`128 and a Tuple`8 if we had a size of 136).
        /// </summary>
        public static Type MakeTupleType(params Type[] types) {
            ContractUtils.RequiresNotNull(types, nameof(types));

            return MakeTupleType(types, 0, types.Length);
        }

        /// <summary>
        /// Gets the number of usable slots in the provided Tuple type including slots available in nested tuples.
        /// </summary>
        public static int GetSize(Type tupleType) {
            ContractUtils.RequiresNotNull(tupleType, nameof(tupleType));

            int count = 0;
            lock (_sizeDict) {
                if (_sizeDict.TryGetValue(tupleType, out count)) {
                    return count;
                }
            }

            Stack<Type> types = new Stack<Type>(tupleType.GetGenericArguments());            

            while (types.Count != 0) {
                Type t = types.Pop();

                if (typeof(MutableTuple).IsAssignableFrom(t)) {
                    foreach (Type subtype in t.GetGenericArguments()) {
                        types.Push(subtype);
                    }
                    continue;
                }

                if (t == typeof(DynamicNull)) {
                    continue;
                }

                count++;
            }

            lock (_sizeDict) {
                _sizeDict[tupleType] = count;
            }

            return count;
        }

        /// <summary>
        /// Creates a new instance of tupleType with the specified args.  If the tuple is a nested
        /// tuple the values are added in their nested forms.
        /// </summary>
        public static MutableTuple MakeTuple(Type tupleType, params object[] args) {
            ContractUtils.RequiresNotNull(tupleType, nameof(tupleType));
            ContractUtils.RequiresNotNull(args, nameof(args));

            return MakeTuple(tupleType, 0, args.Length, args);
        }

        /// <summary>
        /// Gets the values from a tuple including unpacking nested values.
        /// </summary>
        public static object[] GetTupleValues(MutableTuple tuple) {
            ContractUtils.RequiresNotNull(tuple, nameof(tuple));

            List<object> res = new List<object>();

            GetTupleValues(tuple, res);

            return res.ToArray();
        }

        /// <summary>
        /// Gets the series of properties that needs to be accessed to access a logical item in a potentially nested tuple.
        /// </summary>
        public static IEnumerable<PropertyInfo> GetAccessPath(Type tupleType, int index) {
            return GetAccessPath(tupleType, GetSize(tupleType), index);
        }

        /// <summary>
        /// Gets the series of properties that needs to be accessed to access a logical item in a potentially nested tuple.
        /// </summary>
        public static IEnumerable<PropertyInfo> GetAccessPath(Type tupleType, int size, int index) {
            ContractUtils.RequiresNotNull(tupleType, nameof(tupleType));

            if (index < 0 || index >= size) throw new ArgumentException(nameof(index));

            foreach (int curIndex in GetAccessPath(size, index)) {
                PropertyInfo pi = tupleType.GetInheritedProperties("Item" + String.Format("{0:D3}", curIndex)).First();
                Debug.Assert(pi != null);
                yield return pi;
                tupleType = pi.PropertyType;
            }
        }

        internal static IEnumerable<int> GetAccessPath(int size, int index) {
            // We get the final index by breaking the index into groups of bits.  The more significant bits
            // represent the indexes into the outermost tuples and the least significant bits index into the
            // inner most tuples.  The mask is initialized to mask the upper bits and adjust is initialized
            // and adjust is the value we need to divide by to get the index in the least significant bits.
            // As we go through we shift the mask and adjust down each loop to pull out the inner slot.  Logically
            // everything in here is shifting bits (not multiplying or dividing) because NewTuple.MaxSize is a 
            // power of 2.
            int depth = 0;
            int mask = MutableTuple.MaxSize - 1;
            int adjust = 1;
            int count = size;
            while (count > MutableTuple.MaxSize) {
                depth++;
                count /= MutableTuple.MaxSize;
                mask *= MutableTuple.MaxSize;
                adjust *= MutableTuple.MaxSize;
            }

            while (depth-- >= 0) {
                Debug.Assert(mask != 0);

                int curIndex = (index & mask) / adjust;

                yield return curIndex;

                mask /= MutableTuple.MaxSize;
                adjust /= MutableTuple.MaxSize;
            }
        }

        private static void GetTupleValues(MutableTuple tuple, List<object> args) {
            Type[] types = tuple.GetType().GetGenericArguments();
            for (int i = 0; i < types.Length; i++) {
                if (typeof(MutableTuple).IsAssignableFrom(types[i])) {
                    GetTupleValues((MutableTuple)tuple.GetValue(i), args);
                } else if (types[i] != typeof(DynamicNull)) {
                    args.Add(tuple.GetValue(i));
                }
            }
        }

        private static MutableTuple MakeTuple(Type tupleType, int start, int end, object[] args) {
            int size = end - start;

            MutableTuple res = (MutableTuple)Activator.CreateInstance(tupleType);
            if (size > MutableTuple.MaxSize) {
                int multiplier = 1;
                while (size > MutableTuple.MaxSize) {
                    size = (size + MutableTuple.MaxSize - 1) / MutableTuple.MaxSize;
                    multiplier *= MutableTuple.MaxSize;
                }
                for (int i = 0; i < size; i++) {
                    int newStart = start + (i * multiplier);
                    int newEnd = System.Math.Min(end, start + ((i + 1) * multiplier));

                    PropertyInfo pi = tupleType.GetInheritedProperties("Item" + $"{i:D3}").First();
                    res.SetValue(i, CreateTupleInstance(pi.PropertyType, newStart, newEnd, args));
                }
            } else {
                for (int i = start; i < end; i++) {
                    res.SetValue(i - start, args[i]);
                }
            }

            return res;

        }

        private static MutableTuple CreateTupleInstance(Type tupleType, int start, int end, object[] args) {
            if (args == null) return (MutableTuple)Activator.CreateInstance(tupleType);
            
            object[] realArgs = new object[tupleType.GetGenericArguments().Length];
            Array.Copy(args, start, realArgs, 0, end - start);
            return (MutableTuple)Activator.CreateInstance(tupleType, realArgs);
        }

        private static Type MakeTupleType(Type[] types, int start, int end) {
            int size = end - start;

            Type type = GetTupleType(size);
            if (type != null) {
                Type[] typeArr = new Type[type.GetGenericArguments().Length];
                int index = 0;
                for (int i = start; i < end; i++) {
                    typeArr[index++] = types[i];
                }
                while (index < typeArr.Length) {
                    typeArr[index++] = typeof(DynamicNull);
                }
                return type.MakeGenericType(typeArr);
            }

            int multiplier = 1;
            while (size > MutableTuple.MaxSize) {
                size = (size + MutableTuple.MaxSize - 1) / MutableTuple.MaxSize;
                multiplier *= MutableTuple.MaxSize;
            }

            type = MutableTuple.GetTupleType(size);
            Debug.Assert(type != null);
            Type[] nestedTypes = new Type[type.GetGenericArguments().Length];
            for (int i = 0; i < size; i++) {

                int newStart = start + (i * multiplier);
                int newEnd = System.Math.Min(end, start + ((i + 1) * multiplier));
                nestedTypes[i] = MakeTupleType(types, newStart, newEnd);
            }
            for (int i = size; i < nestedTypes.Length; i++) {
                nestedTypes[i] = typeof(DynamicNull);
            }

            return type.MakeGenericType(nestedTypes);
        }

        public abstract int Capacity {
            get;
        }

        /// <summary>
        /// Provides an expression for creating a tuple with the specified values.
        /// </summary>
        public static Expression Create(params Expression[] values) {
            return CreateNew(MakeTupleType(ArrayUtils.ConvertAll(values, x => x.Type)), 0, values.Length, values);
        }

        private static int PowerOfTwoRound(int value) {
            int res = 1;
            while (value > res) {
                res = res << 1;
            }

            return res;
        }

        internal static Expression CreateNew(Type tupleType, int start, int end, Expression[] values) {
            int size = end - start;
            Debug.Assert(tupleType != null);
            Debug.Assert(tupleType.IsSubclassOf(typeof(MutableTuple)));

            Expression[] newValues;
            if (size > MutableTuple.MaxSize) {

                int multiplier = 1;
                while (size > MutableTuple.MaxSize) {
                    size = (size + MutableTuple.MaxSize - 1) / MutableTuple.MaxSize;
                    multiplier *= MutableTuple.MaxSize;
                }
                newValues = new Expression[PowerOfTwoRound(size)];
                for (int i = 0; i < size; i++) {
                    int newStart = start + (i * multiplier);
                    int newEnd = System.Math.Min(end, start + ((i + 1) * multiplier));

                    PropertyInfo pi = tupleType.GetInheritedProperties("Item" + $"{i:D3}").First();

                    newValues[i] = CreateNew(pi.PropertyType, newStart, newEnd, values);
                }

                for (int i = size; i < newValues.Length; i++) {
                    newValues[i] = Expression.Constant(null, typeof(DynamicNull));
                }
            } else {
                newValues = new Expression[PowerOfTwoRound(size)];
                for (int i = 0; i < size; i++) {
                    newValues[i] = values[i + start];
                }

                for (int i = size; i < newValues.Length; i++) {
                    newValues[i] = Expression.Constant(null, typeof(DynamicNull));
                }
            }
            
            return Expression.New(
                tupleType.GetConstructor(ArrayUtils.ConvertAll(newValues, x => x.Type)), 
                newValues);
        }
    }

    #region Generated Tuples

    // *** BEGIN GENERATED CODE ***
    // generated by function: gen_tuples from: generate_tuples.py

    [GeneratedCode("DLR", "2.0")]
    public class MutableTuple<T0> : MutableTuple {
        public MutableTuple() { }

        public MutableTuple(T0 item0)
          : base() {
            Item000 = item0;
        }

        public T0 Item000 { get; set; }

        public override object GetValue(int index) {
            switch(index) {
                case 0: return Item000;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }

        public override void SetValue(int index, object value) {
            switch(index) {
                case 0: Item000 = (T0)value; break;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }
        public override int Capacity => 1;
    }
    [GeneratedCode("DLR", "2.0")]
    public class MutableTuple<T0, T1> : MutableTuple<T0> {
        public MutableTuple() { }

        public MutableTuple(T0 item0, T1 item1)
          : base(item0) {
            Item001 = item1;
        }

        public T1 Item001 { get; set; }

        public override object GetValue(int index) {
            switch(index) {
                case 0: return Item000;
                case 1: return Item001;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }

        public override void SetValue(int index, object value) {
            switch(index) {
                case 0: Item000 = (T0)value; break;
                case 1: Item001 = (T1)value; break;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }
        public override int Capacity => 2;
    }
    [GeneratedCode("DLR", "2.0")]
    public class MutableTuple<T0, T1, T2, T3> : MutableTuple<T0, T1> {
        public MutableTuple() { }

        public MutableTuple(T0 item0, T1 item1, T2 item2, T3 item3)
          : base(item0, item1) {
            Item002 = item2;
            Item003 = item3;
        }

        public T2 Item002 { get; set; }

        public T3 Item003 { get; set; }

        public override object GetValue(int index) {
            switch(index) {
                case 0: return Item000;
                case 1: return Item001;
                case 2: return Item002;
                case 3: return Item003;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }

        public override void SetValue(int index, object value) {
            switch(index) {
                case 0: Item000 = (T0)value; break;
                case 1: Item001 = (T1)value; break;
                case 2: Item002 = (T2)value; break;
                case 3: Item003 = (T3)value; break;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }
        public override int Capacity => 4;
    }
    [GeneratedCode("DLR", "2.0")]
    public class MutableTuple<T0, T1, T2, T3, T4, T5, T6, T7> : MutableTuple<T0, T1, T2, T3> {
        public MutableTuple() { }

        public MutableTuple(T0 item0, T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7)
          : base(item0, item1, item2, item3) {
            Item004 = item4;
            Item005 = item5;
            Item006 = item6;
            Item007 = item7;
        }

        public T4 Item004 { get; set; }

        public T5 Item005 { get; set; }

        public T6 Item006 { get; set; }

        public T7 Item007 { get; set; }

        public override object GetValue(int index) {
            switch(index) {
                case 0: return Item000;
                case 1: return Item001;
                case 2: return Item002;
                case 3: return Item003;
                case 4: return Item004;
                case 5: return Item005;
                case 6: return Item006;
                case 7: return Item007;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }

        public override void SetValue(int index, object value) {
            switch(index) {
                case 0: Item000 = (T0)value; break;
                case 1: Item001 = (T1)value; break;
                case 2: Item002 = (T2)value; break;
                case 3: Item003 = (T3)value; break;
                case 4: Item004 = (T4)value; break;
                case 5: Item005 = (T5)value; break;
                case 6: Item006 = (T6)value; break;
                case 7: Item007 = (T7)value; break;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }
        public override int Capacity => 8;
    }
    [GeneratedCode("DLR", "2.0")]
    public class MutableTuple<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> : MutableTuple<T0, T1, T2, T3, T4, T5, T6, T7> {
        public MutableTuple() { }

        public MutableTuple(T0 item0, T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7, T8 item8, T9 item9, T10 item10, T11 item11, T12 item12, T13 item13, T14 item14, T15 item15)
          : base(item0, item1, item2, item3, item4, item5, item6, item7) {
            Item008 = item8;
            Item009 = item9;
            Item010 = item10;
            Item011 = item11;
            Item012 = item12;
            Item013 = item13;
            Item014 = item14;
            Item015 = item15;
        }

        public T8 Item008 { get; set; }

        public T9 Item009 { get; set; }

        public T10 Item010 { get; set; }

        public T11 Item011 { get; set; }

        public T12 Item012 { get; set; }

        public T13 Item013 { get; set; }

        public T14 Item014 { get; set; }

        public T15 Item015 { get; set; }

        public override object GetValue(int index) {
            switch(index) {
                case 0: return Item000;
                case 1: return Item001;
                case 2: return Item002;
                case 3: return Item003;
                case 4: return Item004;
                case 5: return Item005;
                case 6: return Item006;
                case 7: return Item007;
                case 8: return Item008;
                case 9: return Item009;
                case 10: return Item010;
                case 11: return Item011;
                case 12: return Item012;
                case 13: return Item013;
                case 14: return Item014;
                case 15: return Item015;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }

        public override void SetValue(int index, object value) {
            switch(index) {
                case 0: Item000 = (T0)value; break;
                case 1: Item001 = (T1)value; break;
                case 2: Item002 = (T2)value; break;
                case 3: Item003 = (T3)value; break;
                case 4: Item004 = (T4)value; break;
                case 5: Item005 = (T5)value; break;
                case 6: Item006 = (T6)value; break;
                case 7: Item007 = (T7)value; break;
                case 8: Item008 = (T8)value; break;
                case 9: Item009 = (T9)value; break;
                case 10: Item010 = (T10)value; break;
                case 11: Item011 = (T11)value; break;
                case 12: Item012 = (T12)value; break;
                case 13: Item013 = (T13)value; break;
                case 14: Item014 = (T14)value; break;
                case 15: Item015 = (T15)value; break;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }
        public override int Capacity => 16;
    }
    [GeneratedCode("DLR", "2.0")]
    public class MutableTuple<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29, T30, T31> : MutableTuple<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> {
        public MutableTuple() { }

        public MutableTuple(T0 item0, T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7, T8 item8, T9 item9, T10 item10, T11 item11, T12 item12, T13 item13, T14 item14, T15 item15, T16 item16, T17 item17, T18 item18, T19 item19, T20 item20, T21 item21, T22 item22, T23 item23, T24 item24, T25 item25, T26 item26, T27 item27, T28 item28, T29 item29, T30 item30, T31 item31)
          : base(item0, item1, item2, item3, item4, item5, item6, item7, item8, item9, item10, item11, item12, item13, item14, item15) {
            Item016 = item16;
            Item017 = item17;
            Item018 = item18;
            Item019 = item19;
            Item020 = item20;
            Item021 = item21;
            Item022 = item22;
            Item023 = item23;
            Item024 = item24;
            Item025 = item25;
            Item026 = item26;
            Item027 = item27;
            Item028 = item28;
            Item029 = item29;
            Item030 = item30;
            Item031 = item31;
        }

        public T16 Item016 { get; set; }

        public T17 Item017 { get; set; }

        public T18 Item018 { get; set; }

        public T19 Item019 { get; set; }

        public T20 Item020 { get; set; }

        public T21 Item021 { get; set; }

        public T22 Item022 { get; set; }

        public T23 Item023 { get; set; }

        public T24 Item024 { get; set; }

        public T25 Item025 { get; set; }

        public T26 Item026 { get; set; }

        public T27 Item027 { get; set; }

        public T28 Item028 { get; set; }

        public T29 Item029 { get; set; }

        public T30 Item030 { get; set; }

        public T31 Item031 { get; set; }

        public override object GetValue(int index) {
            switch(index) {
                case 0: return Item000;
                case 1: return Item001;
                case 2: return Item002;
                case 3: return Item003;
                case 4: return Item004;
                case 5: return Item005;
                case 6: return Item006;
                case 7: return Item007;
                case 8: return Item008;
                case 9: return Item009;
                case 10: return Item010;
                case 11: return Item011;
                case 12: return Item012;
                case 13: return Item013;
                case 14: return Item014;
                case 15: return Item015;
                case 16: return Item016;
                case 17: return Item017;
                case 18: return Item018;
                case 19: return Item019;
                case 20: return Item020;
                case 21: return Item021;
                case 22: return Item022;
                case 23: return Item023;
                case 24: return Item024;
                case 25: return Item025;
                case 26: return Item026;
                case 27: return Item027;
                case 28: return Item028;
                case 29: return Item029;
                case 30: return Item030;
                case 31: return Item031;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }

        public override void SetValue(int index, object value) {
            switch(index) {
                case 0: Item000 = (T0)value; break;
                case 1: Item001 = (T1)value; break;
                case 2: Item002 = (T2)value; break;
                case 3: Item003 = (T3)value; break;
                case 4: Item004 = (T4)value; break;
                case 5: Item005 = (T5)value; break;
                case 6: Item006 = (T6)value; break;
                case 7: Item007 = (T7)value; break;
                case 8: Item008 = (T8)value; break;
                case 9: Item009 = (T9)value; break;
                case 10: Item010 = (T10)value; break;
                case 11: Item011 = (T11)value; break;
                case 12: Item012 = (T12)value; break;
                case 13: Item013 = (T13)value; break;
                case 14: Item014 = (T14)value; break;
                case 15: Item015 = (T15)value; break;
                case 16: Item016 = (T16)value; break;
                case 17: Item017 = (T17)value; break;
                case 18: Item018 = (T18)value; break;
                case 19: Item019 = (T19)value; break;
                case 20: Item020 = (T20)value; break;
                case 21: Item021 = (T21)value; break;
                case 22: Item022 = (T22)value; break;
                case 23: Item023 = (T23)value; break;
                case 24: Item024 = (T24)value; break;
                case 25: Item025 = (T25)value; break;
                case 26: Item026 = (T26)value; break;
                case 27: Item027 = (T27)value; break;
                case 28: Item028 = (T28)value; break;
                case 29: Item029 = (T29)value; break;
                case 30: Item030 = (T30)value; break;
                case 31: Item031 = (T31)value; break;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }
        public override int Capacity => 32;
    }
    [GeneratedCode("DLR", "2.0")]
    public class MutableTuple<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29, T30, T31, T32, T33, T34, T35, T36, T37, T38, T39, T40, T41, T42, T43, T44, T45, T46, T47, T48, T49, T50, T51, T52, T53, T54, T55, T56, T57, T58, T59, T60, T61, T62, T63> : MutableTuple<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29, T30, T31> {
        public MutableTuple() { }

        public MutableTuple(T0 item0, T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7, T8 item8, T9 item9, T10 item10, T11 item11, T12 item12, T13 item13, T14 item14, T15 item15, T16 item16, T17 item17, T18 item18, T19 item19, T20 item20, T21 item21, T22 item22, T23 item23, T24 item24, T25 item25, T26 item26, T27 item27, T28 item28, T29 item29, T30 item30, T31 item31, T32 item32, T33 item33, T34 item34, T35 item35, T36 item36, T37 item37, T38 item38, T39 item39, T40 item40, T41 item41, T42 item42, T43 item43, T44 item44, T45 item45, T46 item46, T47 item47, T48 item48, T49 item49, T50 item50, T51 item51, T52 item52, T53 item53, T54 item54, T55 item55, T56 item56, T57 item57, T58 item58, T59 item59, T60 item60, T61 item61, T62 item62, T63 item63)
          : base(item0, item1, item2, item3, item4, item5, item6, item7, item8, item9, item10, item11, item12, item13, item14, item15, item16, item17, item18, item19, item20, item21, item22, item23, item24, item25, item26, item27, item28, item29, item30, item31) {
            Item032 = item32;
            Item033 = item33;
            Item034 = item34;
            Item035 = item35;
            Item036 = item36;
            Item037 = item37;
            Item038 = item38;
            Item039 = item39;
            Item040 = item40;
            Item041 = item41;
            Item042 = item42;
            Item043 = item43;
            Item044 = item44;
            Item045 = item45;
            Item046 = item46;
            Item047 = item47;
            Item048 = item48;
            Item049 = item49;
            Item050 = item50;
            Item051 = item51;
            Item052 = item52;
            Item053 = item53;
            Item054 = item54;
            Item055 = item55;
            Item056 = item56;
            Item057 = item57;
            Item058 = item58;
            Item059 = item59;
            Item060 = item60;
            Item061 = item61;
            Item062 = item62;
            Item063 = item63;
        }

        public T32 Item032 { get; set; }

        public T33 Item033 { get; set; }

        public T34 Item034 { get; set; }

        public T35 Item035 { get; set; }

        public T36 Item036 { get; set; }

        public T37 Item037 { get; set; }

        public T38 Item038 { get; set; }

        public T39 Item039 { get; set; }

        public T40 Item040 { get; set; }

        public T41 Item041 { get; set; }

        public T42 Item042 { get; set; }

        public T43 Item043 { get; set; }

        public T44 Item044 { get; set; }

        public T45 Item045 { get; set; }

        public T46 Item046 { get; set; }

        public T47 Item047 { get; set; }

        public T48 Item048 { get; set; }

        public T49 Item049 { get; set; }

        public T50 Item050 { get; set; }

        public T51 Item051 { get; set; }

        public T52 Item052 { get; set; }

        public T53 Item053 { get; set; }

        public T54 Item054 { get; set; }

        public T55 Item055 { get; set; }

        public T56 Item056 { get; set; }

        public T57 Item057 { get; set; }

        public T58 Item058 { get; set; }

        public T59 Item059 { get; set; }

        public T60 Item060 { get; set; }

        public T61 Item061 { get; set; }

        public T62 Item062 { get; set; }

        public T63 Item063 { get; set; }

        public override object GetValue(int index) {
            switch(index) {
                case 0: return Item000;
                case 1: return Item001;
                case 2: return Item002;
                case 3: return Item003;
                case 4: return Item004;
                case 5: return Item005;
                case 6: return Item006;
                case 7: return Item007;
                case 8: return Item008;
                case 9: return Item009;
                case 10: return Item010;
                case 11: return Item011;
                case 12: return Item012;
                case 13: return Item013;
                case 14: return Item014;
                case 15: return Item015;
                case 16: return Item016;
                case 17: return Item017;
                case 18: return Item018;
                case 19: return Item019;
                case 20: return Item020;
                case 21: return Item021;
                case 22: return Item022;
                case 23: return Item023;
                case 24: return Item024;
                case 25: return Item025;
                case 26: return Item026;
                case 27: return Item027;
                case 28: return Item028;
                case 29: return Item029;
                case 30: return Item030;
                case 31: return Item031;
                case 32: return Item032;
                case 33: return Item033;
                case 34: return Item034;
                case 35: return Item035;
                case 36: return Item036;
                case 37: return Item037;
                case 38: return Item038;
                case 39: return Item039;
                case 40: return Item040;
                case 41: return Item041;
                case 42: return Item042;
                case 43: return Item043;
                case 44: return Item044;
                case 45: return Item045;
                case 46: return Item046;
                case 47: return Item047;
                case 48: return Item048;
                case 49: return Item049;
                case 50: return Item050;
                case 51: return Item051;
                case 52: return Item052;
                case 53: return Item053;
                case 54: return Item054;
                case 55: return Item055;
                case 56: return Item056;
                case 57: return Item057;
                case 58: return Item058;
                case 59: return Item059;
                case 60: return Item060;
                case 61: return Item061;
                case 62: return Item062;
                case 63: return Item063;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }

        public override void SetValue(int index, object value) {
            switch(index) {
                case 0: Item000 = (T0)value; break;
                case 1: Item001 = (T1)value; break;
                case 2: Item002 = (T2)value; break;
                case 3: Item003 = (T3)value; break;
                case 4: Item004 = (T4)value; break;
                case 5: Item005 = (T5)value; break;
                case 6: Item006 = (T6)value; break;
                case 7: Item007 = (T7)value; break;
                case 8: Item008 = (T8)value; break;
                case 9: Item009 = (T9)value; break;
                case 10: Item010 = (T10)value; break;
                case 11: Item011 = (T11)value; break;
                case 12: Item012 = (T12)value; break;
                case 13: Item013 = (T13)value; break;
                case 14: Item014 = (T14)value; break;
                case 15: Item015 = (T15)value; break;
                case 16: Item016 = (T16)value; break;
                case 17: Item017 = (T17)value; break;
                case 18: Item018 = (T18)value; break;
                case 19: Item019 = (T19)value; break;
                case 20: Item020 = (T20)value; break;
                case 21: Item021 = (T21)value; break;
                case 22: Item022 = (T22)value; break;
                case 23: Item023 = (T23)value; break;
                case 24: Item024 = (T24)value; break;
                case 25: Item025 = (T25)value; break;
                case 26: Item026 = (T26)value; break;
                case 27: Item027 = (T27)value; break;
                case 28: Item028 = (T28)value; break;
                case 29: Item029 = (T29)value; break;
                case 30: Item030 = (T30)value; break;
                case 31: Item031 = (T31)value; break;
                case 32: Item032 = (T32)value; break;
                case 33: Item033 = (T33)value; break;
                case 34: Item034 = (T34)value; break;
                case 35: Item035 = (T35)value; break;
                case 36: Item036 = (T36)value; break;
                case 37: Item037 = (T37)value; break;
                case 38: Item038 = (T38)value; break;
                case 39: Item039 = (T39)value; break;
                case 40: Item040 = (T40)value; break;
                case 41: Item041 = (T41)value; break;
                case 42: Item042 = (T42)value; break;
                case 43: Item043 = (T43)value; break;
                case 44: Item044 = (T44)value; break;
                case 45: Item045 = (T45)value; break;
                case 46: Item046 = (T46)value; break;
                case 47: Item047 = (T47)value; break;
                case 48: Item048 = (T48)value; break;
                case 49: Item049 = (T49)value; break;
                case 50: Item050 = (T50)value; break;
                case 51: Item051 = (T51)value; break;
                case 52: Item052 = (T52)value; break;
                case 53: Item053 = (T53)value; break;
                case 54: Item054 = (T54)value; break;
                case 55: Item055 = (T55)value; break;
                case 56: Item056 = (T56)value; break;
                case 57: Item057 = (T57)value; break;
                case 58: Item058 = (T58)value; break;
                case 59: Item059 = (T59)value; break;
                case 60: Item060 = (T60)value; break;
                case 61: Item061 = (T61)value; break;
                case 62: Item062 = (T62)value; break;
                case 63: Item063 = (T63)value; break;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }
        public override int Capacity => 64;
    }
    [GeneratedCode("DLR", "2.0")]
    public class MutableTuple<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29, T30, T31, T32, T33, T34, T35, T36, T37, T38, T39, T40, T41, T42, T43, T44, T45, T46, T47, T48, T49, T50, T51, T52, T53, T54, T55, T56, T57, T58, T59, T60, T61, T62, T63, T64, T65, T66, T67, T68, T69, T70, T71, T72, T73, T74, T75, T76, T77, T78, T79, T80, T81, T82, T83, T84, T85, T86, T87, T88, T89, T90, T91, T92, T93, T94, T95, T96, T97, T98, T99, T100, T101, T102, T103, T104, T105, T106, T107, T108, T109, T110, T111, T112, T113, T114, T115, T116, T117, T118, T119, T120, T121, T122, T123, T124, T125, T126, T127> : MutableTuple<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29, T30, T31, T32, T33, T34, T35, T36, T37, T38, T39, T40, T41, T42, T43, T44, T45, T46, T47, T48, T49, T50, T51, T52, T53, T54, T55, T56, T57, T58, T59, T60, T61, T62, T63> {
        public MutableTuple() { }

        public MutableTuple(T0 item0, T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7, T8 item8, T9 item9, T10 item10, T11 item11, T12 item12, T13 item13, T14 item14, T15 item15, T16 item16, T17 item17, T18 item18, T19 item19, T20 item20, T21 item21, T22 item22, T23 item23, T24 item24, T25 item25, T26 item26, T27 item27, T28 item28, T29 item29, T30 item30, T31 item31, T32 item32, T33 item33, T34 item34, T35 item35, T36 item36, T37 item37, T38 item38, T39 item39, T40 item40, T41 item41, T42 item42, T43 item43, T44 item44, T45 item45, T46 item46, T47 item47, T48 item48, T49 item49, T50 item50, T51 item51, T52 item52, T53 item53, T54 item54, T55 item55, T56 item56, T57 item57, T58 item58, T59 item59, T60 item60, T61 item61, T62 item62, T63 item63, T64 item64, T65 item65, T66 item66, T67 item67, T68 item68, T69 item69, T70 item70, T71 item71, T72 item72, T73 item73, T74 item74, T75 item75, T76 item76, T77 item77, T78 item78, T79 item79, T80 item80, T81 item81, T82 item82, T83 item83, T84 item84, T85 item85, T86 item86, T87 item87, T88 item88, T89 item89, T90 item90, T91 item91, T92 item92, T93 item93, T94 item94, T95 item95, T96 item96, T97 item97, T98 item98, T99 item99, T100 item100, T101 item101, T102 item102, T103 item103, T104 item104, T105 item105, T106 item106, T107 item107, T108 item108, T109 item109, T110 item110, T111 item111, T112 item112, T113 item113, T114 item114, T115 item115, T116 item116, T117 item117, T118 item118, T119 item119, T120 item120, T121 item121, T122 item122, T123 item123, T124 item124, T125 item125, T126 item126, T127 item127)
          : base(item0, item1, item2, item3, item4, item5, item6, item7, item8, item9, item10, item11, item12, item13, item14, item15, item16, item17, item18, item19, item20, item21, item22, item23, item24, item25, item26, item27, item28, item29, item30, item31, item32, item33, item34, item35, item36, item37, item38, item39, item40, item41, item42, item43, item44, item45, item46, item47, item48, item49, item50, item51, item52, item53, item54, item55, item56, item57, item58, item59, item60, item61, item62, item63) {
            Item064 = item64;
            Item065 = item65;
            Item066 = item66;
            Item067 = item67;
            Item068 = item68;
            Item069 = item69;
            Item070 = item70;
            Item071 = item71;
            Item072 = item72;
            Item073 = item73;
            Item074 = item74;
            Item075 = item75;
            Item076 = item76;
            Item077 = item77;
            Item078 = item78;
            Item079 = item79;
            Item080 = item80;
            Item081 = item81;
            Item082 = item82;
            Item083 = item83;
            Item084 = item84;
            Item085 = item85;
            Item086 = item86;
            Item087 = item87;
            Item088 = item88;
            Item089 = item89;
            Item090 = item90;
            Item091 = item91;
            Item092 = item92;
            Item093 = item93;
            Item094 = item94;
            Item095 = item95;
            Item096 = item96;
            Item097 = item97;
            Item098 = item98;
            Item099 = item99;
            Item100 = item100;
            Item101 = item101;
            Item102 = item102;
            Item103 = item103;
            Item104 = item104;
            Item105 = item105;
            Item106 = item106;
            Item107 = item107;
            Item108 = item108;
            Item109 = item109;
            Item110 = item110;
            Item111 = item111;
            Item112 = item112;
            Item113 = item113;
            Item114 = item114;
            Item115 = item115;
            Item116 = item116;
            Item117 = item117;
            Item118 = item118;
            Item119 = item119;
            Item120 = item120;
            Item121 = item121;
            Item122 = item122;
            Item123 = item123;
            Item124 = item124;
            Item125 = item125;
            Item126 = item126;
            Item127 = item127;
        }

        public T64 Item064 { get; set; }

        public T65 Item065 { get; set; }

        public T66 Item066 { get; set; }

        public T67 Item067 { get; set; }

        public T68 Item068 { get; set; }

        public T69 Item069 { get; set; }

        public T70 Item070 { get; set; }

        public T71 Item071 { get; set; }

        public T72 Item072 { get; set; }

        public T73 Item073 { get; set; }

        public T74 Item074 { get; set; }

        public T75 Item075 { get; set; }

        public T76 Item076 { get; set; }

        public T77 Item077 { get; set; }

        public T78 Item078 { get; set; }

        public T79 Item079 { get; set; }

        public T80 Item080 { get; set; }

        public T81 Item081 { get; set; }

        public T82 Item082 { get; set; }

        public T83 Item083 { get; set; }

        public T84 Item084 { get; set; }

        public T85 Item085 { get; set; }

        public T86 Item086 { get; set; }

        public T87 Item087 { get; set; }

        public T88 Item088 { get; set; }

        public T89 Item089 { get; set; }

        public T90 Item090 { get; set; }

        public T91 Item091 { get; set; }

        public T92 Item092 { get; set; }

        public T93 Item093 { get; set; }

        public T94 Item094 { get; set; }

        public T95 Item095 { get; set; }

        public T96 Item096 { get; set; }

        public T97 Item097 { get; set; }

        public T98 Item098 { get; set; }

        public T99 Item099 { get; set; }

        public T100 Item100 { get; set; }

        public T101 Item101 { get; set; }

        public T102 Item102 { get; set; }

        public T103 Item103 { get; set; }

        public T104 Item104 { get; set; }

        public T105 Item105 { get; set; }

        public T106 Item106 { get; set; }

        public T107 Item107 { get; set; }

        public T108 Item108 { get; set; }

        public T109 Item109 { get; set; }

        public T110 Item110 { get; set; }

        public T111 Item111 { get; set; }

        public T112 Item112 { get; set; }

        public T113 Item113 { get; set; }

        public T114 Item114 { get; set; }

        public T115 Item115 { get; set; }

        public T116 Item116 { get; set; }

        public T117 Item117 { get; set; }

        public T118 Item118 { get; set; }

        public T119 Item119 { get; set; }

        public T120 Item120 { get; set; }

        public T121 Item121 { get; set; }

        public T122 Item122 { get; set; }

        public T123 Item123 { get; set; }

        public T124 Item124 { get; set; }

        public T125 Item125 { get; set; }

        public T126 Item126 { get; set; }

        public T127 Item127 { get; set; }

        public override object GetValue(int index) {
            switch(index) {
                case 0: return Item000;
                case 1: return Item001;
                case 2: return Item002;
                case 3: return Item003;
                case 4: return Item004;
                case 5: return Item005;
                case 6: return Item006;
                case 7: return Item007;
                case 8: return Item008;
                case 9: return Item009;
                case 10: return Item010;
                case 11: return Item011;
                case 12: return Item012;
                case 13: return Item013;
                case 14: return Item014;
                case 15: return Item015;
                case 16: return Item016;
                case 17: return Item017;
                case 18: return Item018;
                case 19: return Item019;
                case 20: return Item020;
                case 21: return Item021;
                case 22: return Item022;
                case 23: return Item023;
                case 24: return Item024;
                case 25: return Item025;
                case 26: return Item026;
                case 27: return Item027;
                case 28: return Item028;
                case 29: return Item029;
                case 30: return Item030;
                case 31: return Item031;
                case 32: return Item032;
                case 33: return Item033;
                case 34: return Item034;
                case 35: return Item035;
                case 36: return Item036;
                case 37: return Item037;
                case 38: return Item038;
                case 39: return Item039;
                case 40: return Item040;
                case 41: return Item041;
                case 42: return Item042;
                case 43: return Item043;
                case 44: return Item044;
                case 45: return Item045;
                case 46: return Item046;
                case 47: return Item047;
                case 48: return Item048;
                case 49: return Item049;
                case 50: return Item050;
                case 51: return Item051;
                case 52: return Item052;
                case 53: return Item053;
                case 54: return Item054;
                case 55: return Item055;
                case 56: return Item056;
                case 57: return Item057;
                case 58: return Item058;
                case 59: return Item059;
                case 60: return Item060;
                case 61: return Item061;
                case 62: return Item062;
                case 63: return Item063;
                case 64: return Item064;
                case 65: return Item065;
                case 66: return Item066;
                case 67: return Item067;
                case 68: return Item068;
                case 69: return Item069;
                case 70: return Item070;
                case 71: return Item071;
                case 72: return Item072;
                case 73: return Item073;
                case 74: return Item074;
                case 75: return Item075;
                case 76: return Item076;
                case 77: return Item077;
                case 78: return Item078;
                case 79: return Item079;
                case 80: return Item080;
                case 81: return Item081;
                case 82: return Item082;
                case 83: return Item083;
                case 84: return Item084;
                case 85: return Item085;
                case 86: return Item086;
                case 87: return Item087;
                case 88: return Item088;
                case 89: return Item089;
                case 90: return Item090;
                case 91: return Item091;
                case 92: return Item092;
                case 93: return Item093;
                case 94: return Item094;
                case 95: return Item095;
                case 96: return Item096;
                case 97: return Item097;
                case 98: return Item098;
                case 99: return Item099;
                case 100: return Item100;
                case 101: return Item101;
                case 102: return Item102;
                case 103: return Item103;
                case 104: return Item104;
                case 105: return Item105;
                case 106: return Item106;
                case 107: return Item107;
                case 108: return Item108;
                case 109: return Item109;
                case 110: return Item110;
                case 111: return Item111;
                case 112: return Item112;
                case 113: return Item113;
                case 114: return Item114;
                case 115: return Item115;
                case 116: return Item116;
                case 117: return Item117;
                case 118: return Item118;
                case 119: return Item119;
                case 120: return Item120;
                case 121: return Item121;
                case 122: return Item122;
                case 123: return Item123;
                case 124: return Item124;
                case 125: return Item125;
                case 126: return Item126;
                case 127: return Item127;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }

        public override void SetValue(int index, object value) {
            switch(index) {
                case 0: Item000 = (T0)value; break;
                case 1: Item001 = (T1)value; break;
                case 2: Item002 = (T2)value; break;
                case 3: Item003 = (T3)value; break;
                case 4: Item004 = (T4)value; break;
                case 5: Item005 = (T5)value; break;
                case 6: Item006 = (T6)value; break;
                case 7: Item007 = (T7)value; break;
                case 8: Item008 = (T8)value; break;
                case 9: Item009 = (T9)value; break;
                case 10: Item010 = (T10)value; break;
                case 11: Item011 = (T11)value; break;
                case 12: Item012 = (T12)value; break;
                case 13: Item013 = (T13)value; break;
                case 14: Item014 = (T14)value; break;
                case 15: Item015 = (T15)value; break;
                case 16: Item016 = (T16)value; break;
                case 17: Item017 = (T17)value; break;
                case 18: Item018 = (T18)value; break;
                case 19: Item019 = (T19)value; break;
                case 20: Item020 = (T20)value; break;
                case 21: Item021 = (T21)value; break;
                case 22: Item022 = (T22)value; break;
                case 23: Item023 = (T23)value; break;
                case 24: Item024 = (T24)value; break;
                case 25: Item025 = (T25)value; break;
                case 26: Item026 = (T26)value; break;
                case 27: Item027 = (T27)value; break;
                case 28: Item028 = (T28)value; break;
                case 29: Item029 = (T29)value; break;
                case 30: Item030 = (T30)value; break;
                case 31: Item031 = (T31)value; break;
                case 32: Item032 = (T32)value; break;
                case 33: Item033 = (T33)value; break;
                case 34: Item034 = (T34)value; break;
                case 35: Item035 = (T35)value; break;
                case 36: Item036 = (T36)value; break;
                case 37: Item037 = (T37)value; break;
                case 38: Item038 = (T38)value; break;
                case 39: Item039 = (T39)value; break;
                case 40: Item040 = (T40)value; break;
                case 41: Item041 = (T41)value; break;
                case 42: Item042 = (T42)value; break;
                case 43: Item043 = (T43)value; break;
                case 44: Item044 = (T44)value; break;
                case 45: Item045 = (T45)value; break;
                case 46: Item046 = (T46)value; break;
                case 47: Item047 = (T47)value; break;
                case 48: Item048 = (T48)value; break;
                case 49: Item049 = (T49)value; break;
                case 50: Item050 = (T50)value; break;
                case 51: Item051 = (T51)value; break;
                case 52: Item052 = (T52)value; break;
                case 53: Item053 = (T53)value; break;
                case 54: Item054 = (T54)value; break;
                case 55: Item055 = (T55)value; break;
                case 56: Item056 = (T56)value; break;
                case 57: Item057 = (T57)value; break;
                case 58: Item058 = (T58)value; break;
                case 59: Item059 = (T59)value; break;
                case 60: Item060 = (T60)value; break;
                case 61: Item061 = (T61)value; break;
                case 62: Item062 = (T62)value; break;
                case 63: Item063 = (T63)value; break;
                case 64: Item064 = (T64)value; break;
                case 65: Item065 = (T65)value; break;
                case 66: Item066 = (T66)value; break;
                case 67: Item067 = (T67)value; break;
                case 68: Item068 = (T68)value; break;
                case 69: Item069 = (T69)value; break;
                case 70: Item070 = (T70)value; break;
                case 71: Item071 = (T71)value; break;
                case 72: Item072 = (T72)value; break;
                case 73: Item073 = (T73)value; break;
                case 74: Item074 = (T74)value; break;
                case 75: Item075 = (T75)value; break;
                case 76: Item076 = (T76)value; break;
                case 77: Item077 = (T77)value; break;
                case 78: Item078 = (T78)value; break;
                case 79: Item079 = (T79)value; break;
                case 80: Item080 = (T80)value; break;
                case 81: Item081 = (T81)value; break;
                case 82: Item082 = (T82)value; break;
                case 83: Item083 = (T83)value; break;
                case 84: Item084 = (T84)value; break;
                case 85: Item085 = (T85)value; break;
                case 86: Item086 = (T86)value; break;
                case 87: Item087 = (T87)value; break;
                case 88: Item088 = (T88)value; break;
                case 89: Item089 = (T89)value; break;
                case 90: Item090 = (T90)value; break;
                case 91: Item091 = (T91)value; break;
                case 92: Item092 = (T92)value; break;
                case 93: Item093 = (T93)value; break;
                case 94: Item094 = (T94)value; break;
                case 95: Item095 = (T95)value; break;
                case 96: Item096 = (T96)value; break;
                case 97: Item097 = (T97)value; break;
                case 98: Item098 = (T98)value; break;
                case 99: Item099 = (T99)value; break;
                case 100: Item100 = (T100)value; break;
                case 101: Item101 = (T101)value; break;
                case 102: Item102 = (T102)value; break;
                case 103: Item103 = (T103)value; break;
                case 104: Item104 = (T104)value; break;
                case 105: Item105 = (T105)value; break;
                case 106: Item106 = (T106)value; break;
                case 107: Item107 = (T107)value; break;
                case 108: Item108 = (T108)value; break;
                case 109: Item109 = (T109)value; break;
                case 110: Item110 = (T110)value; break;
                case 111: Item111 = (T111)value; break;
                case 112: Item112 = (T112)value; break;
                case 113: Item113 = (T113)value; break;
                case 114: Item114 = (T114)value; break;
                case 115: Item115 = (T115)value; break;
                case 116: Item116 = (T116)value; break;
                case 117: Item117 = (T117)value; break;
                case 118: Item118 = (T118)value; break;
                case 119: Item119 = (T119)value; break;
                case 120: Item120 = (T120)value; break;
                case 121: Item121 = (T121)value; break;
                case 122: Item122 = (T122)value; break;
                case 123: Item123 = (T123)value; break;
                case 124: Item124 = (T124)value; break;
                case 125: Item125 = (T125)value; break;
                case 126: Item126 = (T126)value; break;
                case 127: Item127 = (T127)value; break;
                default: throw new ArgumentOutOfRangeException(nameof(index));
            }
        }
        public override int Capacity => 128;
    }

    // *** END GENERATED CODE ***

    #endregion
}