Refactoring jobs

src/Engine/Concepts.h

@@ -0,0 +1,13 @@
+#pragma once
+#include <concepts>
+
+namespace Seele
+{
+template<typename A>
+concept iterable = requires(A&& a)
+{
+    a.begin(); a.end();
+};
+template<class F, class... Args>
+concept invocable = std::invocable<F, Args...>;
+}