From 4a85e17c6733d9bb27fa8d3d7c29fbd1b1af2470 Mon Sep 17 00:00:00 2001
From: ck <remlostime@gmail.com>
Date: Tue, 1 Aug 2017 22:38:19 -0700
Subject: [PATCH] [Swift 4] Update Rootish Array Stack

---
 .../RootishArrayStack.playground/Contents.swift            | 5 +++++
 Rootish Array Stack/Tests/RootishArrayStackTests.swift     | 7 +++++++
 Rootish Array Stack/Tests/Tests.xcodeproj/project.pbxproj  | 4 ++--
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/Rootish Array Stack/RootishArrayStack.playground/Contents.swift b/Rootish Array Stack/RootishArrayStack.playground/Contents.swift
index 8b630528d..ade32a3e7 100644
--- a/Rootish Array Stack/RootishArrayStack.playground/Contents.swift	
+++ b/Rootish Array Stack/RootishArrayStack.playground/Contents.swift	
@@ -1,5 +1,10 @@
 //: Playground - noun: a place where people can play
 
+// last checked with Xcode 9.0b4
+#if swift(>=4.0)
+print("Hello, Swift 4!")
+#endif
+
 import Darwin
 
 public struct RootishArrayStack<T> {
diff --git a/Rootish Array Stack/Tests/RootishArrayStackTests.swift b/Rootish Array Stack/Tests/RootishArrayStackTests.swift
index 9d5972a41..fc045faf4 100755
--- a/Rootish Array Stack/Tests/RootishArrayStackTests.swift	
+++ b/Rootish Array Stack/Tests/RootishArrayStackTests.swift	
@@ -205,4 +205,11 @@ class RootishArrayStackTests: XCTestCase {
 		XCTAssertEqual(list.first, 0)
 		XCTAssertTrue(list.equal(toArray: array))
 	}
+
+  func testSwift4() {
+    // last checked with Xcode 9.0b4
+    #if swift(>=4.0)
+      print("Hello, Swift 4!")
+    #endif
+  }
 }
diff --git a/Rootish Array Stack/Tests/Tests.xcodeproj/project.pbxproj b/Rootish Array Stack/Tests/Tests.xcodeproj/project.pbxproj
index cdfd35f71..bbc3967e5 100644
--- a/Rootish Array Stack/Tests/Tests.xcodeproj/project.pbxproj	
+++ b/Rootish Array Stack/Tests/Tests.xcodeproj/project.pbxproj	
@@ -226,7 +226,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = swift.algorithm.club.Tests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -238,7 +238,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = swift.algorithm.club.Tests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};