Adding more tests, fixing one test for miniImp, adding more functionality to miniFun

lib/miniImp.ml

@@ -175,7 +175,7 @@ and evaluate_b (mem: memory) (exp_b: b_exp) =
     )
 
 
-let reduce (iin : int) (program: p_exp) =
+let reduce (program: p_exp) (iin : int) =
   match program with
     Main (vin, vout, expression) -> (
       let mem : memory = {assignments = (VariableMap.empty |> VariableMap.add vin iin)} in

lib/miniImp.mli

@@ -41,4 +41,4 @@ type memory = {
 
 exception AbsentAssignment of string
 
-val reduce : int -> p_exp -> int
+val reduce : p_exp -> int -> int