1 files changed, 78 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/netstd/Thrift/Collections/THashSet.cs b/src/jaegertracing/thrift/lib/netstd/Thrift/Collections/THashSet.cs
new file mode 100644
index 000000000..ffab57711
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/netstd/Thrift/Collections/THashSet.cs
@@ -0,0 +1,78 @@
+// Licensed to the Apache Software Foundation(ASF) under one
+// or more contributor license agreements.See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+// 
+//     http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// 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);
+        }
+    }
+}