45 lines
1 KiB
C#
45 lines
1 KiB
C#
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using System;
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using System.Collections.Generic;
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namespace cylvester
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{
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public class Holder<T> where T : IEquatable<T>
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{
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private readonly List<T> elements_;
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private readonly int capacity_;
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public Holder(int capacity)
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{
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capacity_ = capacity;
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elements_ = new List<T>();
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}
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public bool Add(T newElement)
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{
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if (elements_.Count == capacity_)
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return false;
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if (elements_.Contains(newElement))
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return false;
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elements_.Add(newElement);
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return true;
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}
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public bool Exist(T element)
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{
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return elements_.Contains(element);
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}
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public int? IndexOf(T element)
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{
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var index = elements_.FindIndex(e => e.Equals(element));
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return (index < 0) ? (int?) null : index;
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}
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public void Remove(T element)
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{
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elements_.Remove(element);
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}
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}
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}
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