Some changes and the build is fine again.

This is a test version, design is still in progress.

src/main.cpp

@@ -1,6 +1,9 @@
 #include <iostream>
-#include "doorkeeper.hpp"
+#include "test/test_tiler.hpp"
 
 int main() {
+	TestTiler simpleMap(TestTiler::coords(200, 150), "test.map");
+
+	std::cout << "Total tiles: " << simpleMap.tiles_count() << "\n";
 	return 0;
 }

src/test/test_tiler.cpp

@@ -0,0 +1,26 @@
+#include <iostream>
+#include <fstream>
+#include "test/test_tiler.hpp"
+
+typedef dk::TileStreamer<int, 2> TileStreamerType;
+
+///----------------------------------------------------------------------------
+///----------------------------------------------------------------------------
+TestTiler::TestTiler (const coords& parSize, const std::string&& parPath) :
+	parent_type(parSize, TileStreamerType(TileStreamerType::StreamPtr(new std::ifstream(parPath))))
+{
+}
+
+///----------------------------------------------------------------------------
+///----------------------------------------------------------------------------
+bool TestTiler::batch_load (const std::vector<int>& parLoad) {
+	std::cout << "Would batch-load " << parLoad.size() << " elements\n";
+	return true;
+}
+
+///----------------------------------------------------------------------------
+///----------------------------------------------------------------------------
+bool TestTiler::single_load (const int&) {
+	std::cout << "Would load 1 element\n";
+	return true;
+}

src/test/test_tiler.hpp

@@ -0,0 +1,19 @@
+#ifndef idDD0A66B75FF546FCAF01C65E980DF224
+#define idDD0A66B75FF546FCAF01C65E980DF224
+
+#include "doorkeeper.hpp"
+
+class TestTiler : public dk::Tyler<int, 2> {
+	typedef dk::Tyler<int, 2> parent_type;
+public:
+	typedef parent_type::coords coords;
+
+	TestTiler ( const coords& parSize, const std::string&& parPath );
+
+	virtual ~TestTiler ( void ) noexcept = default;
+
+	virtual bool batch_load ( const std::vector<int>& parLoad );
+	virtual bool single_load ( const int& parLoad );
+};
+
+#endif