Add migration assistance for Swift 3

Author: ikesyo

ReactiveTask.xcodeproj/project.pbxproj

@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		CD52F6441DD0411100B2F764 /* Availability.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD52F6431DD0411100B2F764 /* Availability.swift */; };
 		D02130921AF87B6500B9EC20 /* Result.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D02130911AF87B6500B9EC20 /* Result.framework */; };
 		D0BFEA5E1A2D1E5E00E23194 /* ReactiveTask.h in Headers */ = {isa = PBXBuildFile; fileRef = D0BFEA5D1A2D1E5E00E23194 /* ReactiveTask.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		D0BFEA641A2D1E5E00E23194 /* ReactiveTask.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D0BFEA581A2D1E5E00E23194 /* ReactiveTask.framework */; };
@@ -29,6 +30,7 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
+		CD52F6431DD0411100B2F764 /* Availability.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Availability.swift; sourceTree = "<group>"; };
 		D02130911AF87B6500B9EC20 /* Result.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; path = Result.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		D0BFEA581A2D1E5E00E23194 /* ReactiveTask.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = ReactiveTask.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		D0BFEA5C1A2D1E5E00E23194 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
@@ -108,6 +110,7 @@
 			isa = PBXGroup;
 			children = (
 				D0BFEA5D1A2D1E5E00E23194 /* ReactiveTask.h */,
+				CD52F6431DD0411100B2F764 /* Availability.swift */,
 				D0BFEAA31A2D216600E23194 /* Errors.swift */,
 				D0BFEA9F1A2D212000E23194 /* Task.swift */,
 				D0BFEA5B1A2D1E5E00E23194 /* Supporting Files */,
@@ -320,6 +323,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				CD52F6441DD0411100B2F764 /* Availability.swift in Sources */,
 				D0BFEAA41A2D216600E23194 /* Errors.swift in Sources */,
 				D0BFEAA01A2D212000E23194 /* Task.swift in Sources */,
 			);

ReactiveTask/Availability.swift

@@ -0,0 +1,56 @@
+//
+//  Availability.swift
+//  ReactiveTask
+//
+//  Created by Syo Ikeda on 2016/11/07.
+//  Copyright © 2016年 Carthage. All rights reserved.
+//
+
+import Foundation
+import ReactiveSwift
+import enum Result.NoError
+
+@available(*, unavailable, renamed: "Task.launch(self:)")
+public func launchTask(_ task: Task) -> SignalProducer<TaskEvent<Data>, TaskError> {
+	fatalError()
+}
+
+@available(*, unavailable, renamed: "Task.launch(self:standardInput:)")
+public func launchTask(_ task: Task, standardInput: SignalProducer<Data, NoError>?) -> SignalProducer<TaskEvent<Data>, TaskError> {
+	fatalError()
+}
+
+extension TaskError {
+	@available(*, unavailable, renamed: "shellTaskFailed(_:exitCode:standardError:)")
+	public static func ShellTaskFailed(_ task: Task, exitCode: Int32, standardError: String?) -> TaskError {
+		return .shellTaskFailed(task, exitCode: exitCode, standardError: standardError)
+	}
+
+	@available(*, unavailable, renamed: "posixError(_:)")
+	public static func POSIXError(_ code: Int32) -> TaskError {
+		return .posixError(code)
+	}
+}
+
+extension TaskEvent {
+	@available(*, unavailable, renamed: "launch(_:)")
+	public static func Launch(_ task: Task) -> TaskEvent {
+		return .launch(task)
+	}
+
+	@available(*, unavailable, renamed: "standardOutput(_:)")
+	public static func StandardOutput(_ data: Data) -> TaskEvent {
+		return .standardOutput(data)
+	}
+
+	@available(*, unavailable, renamed: "standardError(_:)")
+	public static func StandardError(_ data: Data) -> TaskEvent {
+		return .standardError(data)
+	}
+
+	@available(*, unavailable, renamed: "success(_:)")
+	public static func Success(_ value: T) -> TaskEvent {
+		return .success(value)
+	}
+
+}