238 def eval(bl: Block) : Env = eval_bl(bl, Map())

   238 def eval(bl: Block) : Env = eval_bl(bl, Map())

   239 

   239 

   240 println("Factors eval")

   240 println("Factors eval")

   241 println(eval(Stmts.parse_all(tokenise(os.read(os.pwd / "factors.while"))).head))

   241 println(eval(Stmts.parse_all(tokenise(os.read(os.pwd / "factors.while"))).head))

   242 

   242 

   243 println("Collatz2 eval")

   247 println("Collatz2 eval")

   244 println(eval(Stmts.parse_all(tokenise(os.read(os.pwd / "collatz2.while"))).head))

   248 println(eval(Stmts.parse_all(tokenise(os.read(os.pwd / "collatz2.while"))).head))

   245 

   249 

   246 println("Loops eval")

   250 println("Loops eval")

   247 val start = System.nanoTime()

   251 val start = System.nanoTime()