StackReconciler prototyping

Gluon/Source/StackReconciler.swift

@@ -0,0 +1,55 @@
+//
+//  StackReconciler.swift
+//  Gluon
+//
+//  Created by Max Desiatov on 28/11/2018.
+//
+
+private let _hooks = Hooks()
+
+extension Component {
+  public static var hooks: Hooks {
+    return _hooks
+  }
+}
+
+public struct Hooks {
+  public func state<T>(_ initial: T,
+                       id: Int = #line) -> (T, (T) -> ()) {
+    return (initial, { _ in })
+  }
+}
+
+struct Pair<T: Hashable, U: Hashable>: Hashable {
+  let first: T
+  let second: U
+}
+
+final class NodeReference {
+  let key: String?
+  let props: AnyEquatable
+  let children: AnyEquatable
+  let type: _Component.Type
+
+  init(node: Node) {
+    self.key = node.key
+    self.props = node.props
+    self.children = node.children
+    self.type = node.type
+  }
+}
+
+final class StackReconciler {
+  /// A map from a fully qualified component type name and its state hook id
+  /// to a current state value.
+  var state = [Pair<String, Int>: Any]()
+
+  let root: NodeReference
+
+  func reconcile(node reference: NodeReference, with node: Node) {
+  }
+
+  init(root: Node) {
+    self.root = NodeReference(node: root)
+  }
+}

Gluon/Source/Structs.swift

@@ -51,21 +51,6 @@ public extension LeafComponent {
   }
 }
 
-public struct Hooks {
-  public func state<T>(_ initial: T,
-                id: String = "\(#file)\(#line)") -> (T, (T) -> ()) {
-    return (initial, { _ in })
-  }
-}
-
-private let _hooks = Hooks()
-
-extension Component {
-  public static var hooks: Hooks {
-    return _hooks
-  }
-}
-
 public struct Node: Equatable {
   /// Equatable can't be automatically derived for `type` property?
   public static func == (lhs: Node, rhs: Node) -> Bool {

Gluon/Source/UIKitRenderer.swift

@@ -13,10 +13,6 @@ protocol Renderer {
   func umount(target: Any, from parent: Any, with component: RendererBaseComponent)
 }
 
-protocol Reconciler {
-  func reconcile(node: Node)
-}
-
 protocol RendererBaseComponent {
 
 }
@@ -24,13 +20,6 @@ protocol RendererBaseComponent {
 protocol UIKitBaseComponent: RendererBaseComponent {
 }
 
-struct StackReconciler: Reconciler {
-  
-
-  func reconcile(node: Node) {
-  }
-}
-
 struct UIKitRenderer {
 
 }