make nodes to provide nodes instead of mixins

src/main.cpp

@@ -3,23 +3,22 @@
 #include <iostream>
 #include "Logger.h"
 
-void printTree(const NodePtr& startNode, int indent = 0) {
-	if (!startNode) {
-		std::cout << "No node" << "\n";
+void printTree(const NodePtr& node, int indent = 0) {
+	if (!node) {
+		Logger::get("MAIN").err("No node");
 		return;
 	}
+
 	for (int i = 0; i < indent; ++i) std::cout << "  ";
-	std::cout << startNode->name() << "\n";
-	LinkPtr nodeLink = startNode->getLink();
-	for (const auto& child : nodeLink->getChildren()) {
-		auto childNode = std::dynamic_pointer_cast<INode>(child);
-		printTree(childNode, indent + 1);
-	}
+	std::cout << node->name() << "\n";
+
+	for (const auto& child : node->children())
+		printTree(child, indent + 1);
 }
 
 int main() {
 	Logger::setMinSeverity("MAIN", Logger::Severity::Debug);
-	//Logger::suppressCategory("Node");
+	Logger::suppressCategory("Node");
 	Logger::suppressCategory("Link");
 	Logger::suppressCategory("Mixin");
 	auto& logger = Logger::get("MAIN");
@@ -35,7 +34,6 @@ int main() {
 		printTree(root);
 		std::cout << "\n";
 
-
 		{
 			auto child2 = std::make_shared<ComplexNode>("ComplexChild2");
 			root->linkChild(child2);