THRIFT-2905 Cocoa compiler should have option to produce "modern" Objective-C
Client: Cocoa (ObjectiveC & Swift)
Author: Kevin Wooten <kevin@wooten.com>

This closes #539
diff --git a/lib/cocoa/src/TList.swift b/lib/cocoa/src/TList.swift
new file mode 100644
index 0000000..005bd81
--- /dev/null
+++ b/lib/cocoa/src/TList.swift
@@ -0,0 +1,148 @@
+/*
+ * 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 TList<Element : TSerializable> : MutableCollectionType, Hashable, ArrayLiteralConvertible, TSerializable {
+  
+  public static var thriftType : TType { return .LIST }
+  
+  typealias Storage = Array<Element>
+
+  public typealias Index = Storage.Index
+  
+  private var storage = Storage()
+  
+  public var startIndex : Index {
+    return storage.startIndex
+  }
+  
+  public var endIndex : Index {
+    return storage.endIndex
+  }
+
+  public subscript (position: Index) -> Element {
+    get {
+      return storage[position]
+    }
+    set {
+      storage[position] = newValue
+    }
+  }
+  
+  public var hashValue : Int {
+    let prime = 31
+    var result = 1
+    for element in storage {
+      result = prime * result + element.hashValue
+    }
+    return result
+  }
+  
+  public init(arrayLiteral elements: Element...) {
+    self.storage = Storage(storage)
+  }
+  
+  public init() {
+    self.storage = Storage()
+  }
+  
+  public mutating func append(newElement: Element) {
+    self.storage.append(newElement)
+  }
+  
+  public mutating func appendContentsOf<C : CollectionType where C.Generator.Element == Element>(newstorage: C) {
+    self.storage.appendContentsOf(newstorage)
+  }
+  
+  public mutating func insert(newElement: Element, atIndex index: Int) {
+    self.storage.insert(newElement, atIndex: index)
+  }
+  
+  public mutating func insertContentsOf<C : CollectionType where C.Generator.Element == Element>(newElements: C, at index: Int) {
+    self.storage.insertContentsOf(newElements, at: index)
+  }
+  
+  public mutating func removeAll(keepCapacity keepCapacity: Bool = true) {
+    self.storage.removeAll(keepCapacity: keepCapacity)
+  }
+  
+  public mutating func removeAtIndex(index: Index) {
+    self.storage.removeAtIndex(index)
+  }
+  
+  public mutating func removeFirst(n: Int = 0) {
+    self.storage.removeFirst(n)
+  }
+  
+  public mutating func removeLast() -> Element {
+    return self.storage.removeLast()
+  }
+  
+  public mutating func removeRange(subRange: Range<Index>) {
+    self.storage.removeRange(subRange)
+  }
+  
+  public mutating func reserveCapacity(minimumCapacity: Int) {
+    self.storage.reserveCapacity(minimumCapacity)
+  }
+  
+  public static func readValueFromProtocol(proto: TProtocol) throws -> TList {
+    let (elementType, size) = try proto.readListBegin()
+    if elementType != Element.thriftType {
+      throw NSError(
+        domain: TProtocolErrorDomain,
+        code: Int(TProtocolError.InvalidData.rawValue),
+        userInfo: [TProtocolErrorExtendedErrorKey: NSNumber(int: TProtocolExtendedError.UnexpectedType.rawValue)])
+    }
+    var list = TList()
+    for _ in 0..<size {
+      let element = try Element.readValueFromProtocol(proto)
+      list.storage.append(element)
+    }
+    try proto.readListEnd()
+    return list
+  }
+  
+  public static func writeValue(value: TList, toProtocol proto: TProtocol) throws {
+    try proto.writeListBeginWithElementType(Element.thriftType, size: value.count)
+    for element in value.storage {
+      try Element.writeValue(element, toProtocol: proto)
+    }
+    try proto.writeListEnd()
+  }
+}
+
+extension TList : CustomStringConvertible, CustomDebugStringConvertible {
+  
+  public var description : String {
+    return storage.description
+  }
+  
+  public var debugDescription : String {
+    return storage.debugDescription
+  }
+  
+}
+
+public func ==<Element>(lhs: TList<Element>, rhs: TList<Element>) -> Bool {
+  return lhs.storage == rhs.storage
+}