Initial

.gitignore

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+.DS_Store
+/.build
+/Packages
+xcuserdata/
+DerivedData/
+.swiftpm/configuration/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc

Package.swift

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+// swift-tools-version: 6.2
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "A-Star",
+    targets: [
+        // Targets are the basic building blocks of a package, defining a module or a test suite.
+        // Targets can depend on other targets in this package and products from dependencies.
+        .executableTarget(
+            name: "A-Star"
+        ),
+    ]
+)

Sources/A-Star/A_Star.swift

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+@main
+struct A_Star {
+    static func main() {
+        print("Hello, world!")
+    }
+
+    func A_Star(start: Vector2, goal: Vector2) {
+        var openSet: [Vector2] = [start]
+
+        var cameFrom: Dictionary<Vector2, Vector2> = [:]
+        
+        var gScore: Dictionary<Vector2, Int> = [:]
+        gScore[start] = 0
+
+        var fScore: Dictionary<Vector2, Int> = [:]
+        fScore[start] = h(start)
+
+        while openSet.count != 0 {
+            var current: Vector2 = getLowest(openSet)
+        }
+    }
+
+    func h(_: Vector2) -> Int {
+        return 0
+    }
+
+    func getLowest(_: [Vector2]) -> Vector2 {
+        for 
+    }
+}
+
+struct Vector2: Hashable {
+    var x: Int
+    var y: Int
+
+    static func == (lhs: Vector2, rhs: Vector2) -> Bool {
+        return lhs.x == rhs.x && lhs.y == rhs.y
+    }
+
+    func hash(into hasher: inout Hasher) {
+        hasher.combine(x)
+        hasher.combine(y)
+    }
+}
+