diff --git a/lib/swift/Sources/TSet.swift b/lib/swift/Sources/TSet.swift
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+/*
+ * 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.
+ */
+
+import Foundation
+
+public struct TSet<Element : TSerializable & Hashable> : SetAlgebra, Hashable, Collection, ExpressibleByArrayLiteral, TSerializable {
+  /// Typealias for Storage type
+  typealias Storage = Set<Element>
+  
+  
+  /// Internal Storage used for TSet (Set\<Element\>)
+  internal var storage : Storage
+  
+  
+  /// Mark: Collection
+  
+  public typealias Indices = Storage.Indices
+  public typealias Index = Storage.Index
+  public typealias IndexDistance = Storage.IndexDistance
+  public typealias SubSequence = Storage.SubSequence
+  
+  
+  public var indices: Indices { return storage.indices }
+  
+  // Must implement isEmpty even though both SetAlgebra and Collection provide it due to their conflciting default implementations
+  public var isEmpty: Bool { return storage.isEmpty }
+  
+  public func distance(from start: Index, to end: Index) -> IndexDistance {
+    return storage.distance(from: start, to: end)
+  }
+  
+  public func index(_ i: Index, offsetBy n: IndexDistance) -> Index {
+    return storage.index(i, offsetBy: n)
+  }
+  
+  public func index(_ i: Index, offsetBy n: IndexDistance, limitedBy limit: Index) -> Index? {
+    return storage.index(i, offsetBy: n, limitedBy: limit)
+  }
+  
+  #if swift(>=3.2)
+  public subscript (position: Storage.Index) -> Element {
+      return storage[position]
+    }
+  #else
+  public subscript (position: Storage.Index) -> Element? {
+    return storage[position]
+  }
+  #endif
+  
+  /// Mark: SetAlgebra
+  internal init(storage: Set<Element>) {
+    self.storage = storage
+  }
+  
+  public func contains(_ member: Element) -> Bool {
+    return storage.contains(member)
+  }
+  
+  public mutating func insert(_ newMember: Element) -> (inserted: Bool, memberAfterInsert: Element) {
+    return storage.insert(newMember)
+  }
+  
+  public mutating func remove(_ member: Element) -> Element? {
+    return storage.remove(member)
+  }
+  
+  public func union(_ other: TSet<Element>) -> TSet {
+    return TSet(storage: storage.union(other.storage))
+  }
+  
+  public mutating func formIntersection(_ other: TSet<Element>) {
+    return storage.formIntersection(other.storage)
+  }
+  
+  public mutating func formSymmetricDifference(_ other: TSet<Element>) {
+    return storage.formSymmetricDifference(other.storage)
+  }
+  
+  public mutating func formUnion(_ other: TSet<Element>) {
+    return storage.formUnion(other.storage)
+  }
+  
+  public func intersection(_ other: TSet<Element>) -> TSet {
+    return TSet(storage: storage.intersection(other.storage))
+  }
+  
+  public func symmetricDifference(_ other: TSet<Element>) -> TSet {
+    return TSet(storage: storage.symmetricDifference(other.storage))
+  }
+  
+  public mutating func update(with newMember: Element) -> Element? {
+    return storage.update(with: newMember)
+  }
+  
+  /// Mark: IndexableBase
+  
+  public var startIndex: Index { return storage.startIndex }
+  public var endIndex: Index { return storage.endIndex }
+  public func index(after i: Index) -> Index {
+    return storage.index(after: i)
+  }
+
+  public func formIndex(after i: inout Storage.Index) {
+    storage.formIndex(after: &i)
+  }
+  
+  public subscript(bounds: Range<Index>) -> SubSequence {
+    return storage[bounds]
+  }
+
+  
+  /// Mark: Hashable
+  public var hashValue : Int {
+    let prime = 31
+    var result = 1
+    for element in storage {
+      result = prime &* result &+ element.hashValue
+    }
+    return result
+  }
+  
+  /// Mark: TSerializable
+  public static var thriftType : TType { return .set }
+  
+  public init() {
+    storage = Storage()
+  }
+  
+  public init(arrayLiteral elements: Element...) {
+    self.storage = Storage(elements)
+  }
+  
+  public init<Source : Sequence>(_ sequence: Source) where Source.Iterator.Element == Element {
+    storage = Storage(sequence)
+  }
+  
+  public static func read(from proto: TProtocol) throws -> TSet {
+    let (elementType, size) = try proto.readSetBegin()
+    if elementType != Element.thriftType {
+      throw TProtocolError(error: .invalidData,
+                           extendedError: .unexpectedType(type: elementType))
+    }
+    var set = TSet()
+    for _ in 0..<size {
+      let element = try Element.read(from: proto)
+      set.storage.insert(element)
+    }
+    try proto.readSetEnd()
+    return set
+  }
+  
+  public func write(to proto: TProtocol) throws {
+    try proto.writeSetBegin(elementType: Element.thriftType, size: Int32(self.count))
+    for element in self.storage {
+      try Element.write(element, to: proto)
+    }
+    try proto.writeSetEnd()
+  }
+}
+
+extension TSet: CustomStringConvertible, CustomDebugStringConvertible {
+  public var description : String {
+    return storage.description
+  }
+  public var debugDescription : String {
+    return storage.debugDescription
+  }
+  
+}
+
+public func ==<Element>(lhs: TSet<Element>, rhs: TSet<Element>) -> Bool {
+  return lhs.storage == rhs.storage
+}