60 lines
1.7 KiB
C#
60 lines
1.7 KiB
C#
namespace ProjectBulldozer.Generics
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{
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internal class SetGeneric<T> where T : class
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{
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private readonly List<T?> _places;
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public int Count => _places.Count;
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/// Максимальное количество объектов в списке
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private readonly int _maxCount;
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public SetGeneric(int count)
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{
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_maxCount = count;
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_places = new List<T?>(count);
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}
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public int Insert(T tract)
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{
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return Insert(tract, 0);
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}
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public int Insert(T tract, int position)
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{
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if (position < 0 || position >= _maxCount) return -1;
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_places.Insert(position, tract);
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return position;
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}
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public T? Remove(int position)
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{
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if (position >= Count || position < 0)
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return null;
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T? tmp = _places[position];
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_places[position] = null;
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return tmp;
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}
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public T? this[int position]
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{
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get
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{
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if (position < 0 || position >= Count) return null;
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return _places[position];
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}
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set
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{
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if (position < 0 || position >= Count || Count == _maxCount) return;
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_places.Insert(position, value);
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}
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}
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public IEnumerable<T?> GetTractors(int? maxTracts = null)
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{
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for (int i = 0; i < _places.Count; ++i)
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{
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yield return _places[i];
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if (maxTracts.HasValue && i == maxTracts.Value)
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{
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yield break;
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}
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}
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}
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}
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}
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