blah

include/mixins/BaseLinkMixin.h

@@ -14,7 +14,15 @@ class BaseLinkMixin : public virtual ILinkMixin<INode>,
 
 public:
 	~BaseLinkMixin() override {
-		Logger::get("Mixin").dbg("--- Destructor called for: BaseLinkMixin");
+		Logger::get("ConDes").dbg("--- Destructor called for: BaseLinkMixin");
+	}
+
+	operator std::shared_ptr<INode>() override {
+		return this->getNode();
+	}
+
+	operator INode&() override {
+		return static_cast<INode&>(*this);
 	}
 
 	void linkChild(const ElemPtr& child) override {
@@ -33,7 +41,15 @@ public:
 
 		auto parentLink = parent->getLink();
 
-		parentLink->removeChild(getNode());
+		/* NOTE:
+		 *
+		 * Keep a reference to the node we gonna to unlink.
+		 * Otherwise, we'll disappear between `removeChild` and
+		 * `setParent`. Do not rearrange these calls, because
+		 * we want to modify the tree top down.
+		 */
+		auto node = getNode();
+		parentLink->removeChild(node);
 		getLink()->setParent(nullptr);
 	}
 

include/mixins/FabricMixin.h

@@ -0,0 +1,11 @@
+#pragma once
+#include <memory>
+
+template <typename T>
+class FabricMixin {
+public:
+	template <typename... Args>
+	static std::shared_ptr<T> create(Args&&... args) {
+		return std::shared_ptr<T>(new T(std::forward<Args>(args)...));
+	}
+};

include/mixins/HierarchicalLinkMixin.h

@@ -16,7 +16,7 @@ class HierarchicalLinkMixin : public LazyLinkMixin<OneToOneLink<TElem>> {
 
 public:
 	~HierarchicalLinkMixin() override {
-		Logger::get("Mixin").dbg("--- Destructor called for: HierarchicalLinkMixin");
+		Logger::get("ConDes").dbg("--- Destructor called for: HierarchicalLinkMixin");
 	}
 
 	void linkChild(const ElemPtr& child) override {
@@ -34,10 +34,10 @@ protected:
 
 		if (typeid(*child) == typeid(*this)) {
 			Logger::get("Mixin").dbg("---  Mutate to OneToMany");
-			newLink = std::make_shared<OneToManyLink<TElem>>(this->getNode());
+			newLink = std::make_shared<OneToManyLink<TElem>>(*this);
 		} else {
 			Logger::get("Mixin").dbg("---  Mutate to OneToOne");
-			newLink = std::make_shared<OneToOneLink<TElem>>(this->getNode());
+			newLink = std::make_shared<OneToOneLink<TElem>>(*this);
 		}
 
 		if (newLink && this->link_)

include/mixins/LazyLinkMixin.h

@@ -25,14 +25,13 @@ public:
 	LazyLinkMixin() {}
 
 	~LazyLinkMixin() override {
-		Logger::get("Mixin").dbg("--- Destructor called for: LazyLinkMixin");
+		Logger::get("ConDes").info("--- Destructor called for: LazyLinkMixin");
 	}
 
 protected:
 	void lazyInit() {
 		if (!link_) {
-			link_ = std::make_shared<TLink>(
-					BaseLinkMixin::getNode());
+			link_ = std::make_shared<TLink>(*this);
 		}
 	}
 	LinkPtr link_;