#graphviz(digraph {"Write an code" -> "Bug detected" -> "Bug detected";};)
#graphviz{{ digraph G {node [shape = "ellipse"];
"Syntax Tree" [shape = "box"]; "Source Program" [shape = "box"]; "Source Program" -> "Parser"; "Parser" -> "Syntax Tree" [label = "generate"]; "Evaluator" -> "Syntax Tree" [label = "evaluate"]; "Loader" -> "Syntax Tree" [label = "load"]; "Thread System" -> "Evaluator" [label = "context switch"];}}}