Support Swift Package Manager with PackageDescriptionV4

.swift-version

@@ -1 +1 @@
-4.0
+4.2.1

Cartfile.private

@@ -1,4 +1,4 @@
-github "Quick/Quick" ~> 1.0
-github "Quick/Nimble" ~> 7.0
+github "Quick/Quick"
+github "Quick/Nimble"
 github "mrackwitz/xcconfigs"
 github "shu223/Pulsator" ~> 0.4

Cartfile.resolved

@@ -1,5 +1,5 @@
-github "Quick/Nimble" "v7.0.2"
-github "Quick/Quick" "v1.2.0"
-github "ReactiveX/RxSwift" "4.0.0"
+github "Quick/Nimble" "v7.3.4"
+github "Quick/Quick" "v1.3.4"
+github "ReactiveX/RxSwift" "4.4.1"
 github "mrackwitz/xcconfigs" "3.0"
-github "shu223/Pulsator" "0.4.0"
+github "shu223/Pulsator" "0.4.2"

Package.resolved

@@ -0,0 +1,34 @@
+{
+  "object": {
+    "pins": [
+      {
+        "package": "Nimble",
+        "repositoryURL": "https://github.com/Quick/Nimble",
+        "state": {
+          "branch": null,
+          "revision": "e9d769113660769a4d9dd3afb855562c0b7ae7b0",
+          "version": "7.3.4"
+        }
+      },
+      {
+        "package": "Quick",
+        "repositoryURL": "https://github.com/Quick/Quick",
+        "state": {
+          "branch": null,
+          "revision": "f2b5a06440ea87eba1a167cab37bf6496646c52e",
+          "version": "1.3.4"
+        }
+      },
+      {
+        "package": "RxSwift",
+        "repositoryURL": "https://github.com/ReactiveX/RxSwift.git",
+        "state": {
+          "branch": null,
+          "revision": "a2348cef2a28fca5a1a5fa26b3ce62e6831c0a49",
+          "version": "4.4.1"
+        }
+      }
+    ]
+  },
+  "version": 1
+}

Package.swift

@@ -1,20 +1,27 @@
+// swift-tools-version:4.2
+
 import Foundation
 import PackageDescription
 
-let isSwiftPackageManagerTest = ProcessInfo.processInfo.environment["SWIFTPM_TEST"] == "YES"
-
 let package = Package(
     name: "RxAutomaton",
-    dependencies: {
-        var deps: [Package.Dependency] = [
-            .Package(url: "https://github.com/ReactiveX/RxSwift.git", majorVersion: 4)
-        ]
-        if isSwiftPackageManagerTest {
-            deps += [
-                .Package(url: "https://github.com/Quick/Quick", majorVersion: 1),
-                .Package(url: "https://github.com/Quick/Nimble", majorVersion: 7)
-            ]
-        }
-        return deps
-    }()
+    products: [
+        .library(
+            name: "RxAutomaton",
+            targets: ["RxAutomaton"]),
+    ],
+    dependencies: [
+        .package(url: "https://github.com/ReactiveX/RxSwift.git", from: "4.0.0"),
+        .package(url: "https://github.com/Quick/Quick", from: "1.0.0"),
+        .package(url: "https://github.com/Quick/Nimble", from: "7.0.0")
+    ],
+    targets: [
+        .target(
+            name: "RxAutomaton",
+            dependencies: ["RxSwift", "RxCocoa"],
+            path: "Sources"),
+        .testTarget(
+            name: "RxAutomatonTests",
+            dependencies: ["RxAutomaton", "Quick", "Nimble"]),
+    ]
 )

RxAutomaton.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Tests/RxAutomatonTests/StateFuncMappingSpec.swift

@@ -26,10 +26,12 @@ class StateFuncMappingSpec: QuickSpec
             var automaton: Automaton?
 
             beforeEach {
-                let mappings: [Automaton.EffectMapping] = [
-                    .increment | { $0 + 1 } | .empty(),
-                    .decrement | { $0 - 1 } | .empty(),
+                var mappings: [Automaton.EffectMapping] = [
+                    .increment | { $0 + 1 } | .empty()
+                    // Comment-Out: Type inference is super slow in Swift 4.2... (use `+=` instead)
+//                    .decrement | { $0 - 1 } | .empty()
                     ]
+                mappings += [ .decrement | { $0 - 1 } | .empty() ]
 
                 // strategy = `.merge`
                 automaton = Automaton(state: 0, input: signal, mapping: reduce(mappings), strategy: .merge)