lib/netstd/Thrift/Collections/THashSet.cs

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// to you under the Apache License, Version 2.0 (the
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// with the License. You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
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// under the License.

using System.Collections;
using System.Collections.Generic;

namespace Thrift.Collections
{
    // ReSharper disable once InconsistentNaming
    public class THashSet<T> : ICollection<T>
    {
        private readonly HashSet<T> Items;

        public THashSet()
        {
            Items = new HashSet<T>();
        }

        public THashSet(int capacity)
        {
            // TODO: uncomment capacity when NET Standard also implements it
            Items = new HashSet<T>(/*capacity*/);
        }

        public int Count => Items.Count;

        public bool IsReadOnly => false;

        public void Add(T item)
        {
            Items.Add(item);
        }

        public void Clear()
        {
            Items.Clear();
        }

        public bool Contains(T item)
        {
            return Items.Contains(item);
        }

        public void CopyTo(T[] array, int arrayIndex)
        {
            Items.CopyTo(array, arrayIndex);
        }

        public IEnumerator GetEnumerator()
        {
            return Items.GetEnumerator();
        }

        IEnumerator<T> IEnumerable<T>.GetEnumerator()
        {
            return ((IEnumerable<T>) Items).GetEnumerator();
        }

        public bool Remove(T item)
        {
            return Items.Remove(item);
        }
    }
}