Rename calc example to use run as entry point

Remebered ctx creation also needs to be added after each function entry, so .log.js versions not currently working with interpreter example.

generator/tests/calc.ml

@@ -11,13 +11,13 @@ and sexpr =
   | Emp [@f]
   | Push [@f value, stack] of expr * sexpr
 
-let rec eval_ expr = match expr with
+let rec run expr = match expr with
   | Const n -> n
-  | Add (ls, rs) -> eval_ ls + eval_ rs
-  | Sub (ls, rs) -> eval_ ls - eval_ rs
-  | Mul (ls, rs) -> eval_ ls * eval_ rs
-  | Div (ls, rs) -> eval_ ls / eval_ rs
+  | Add (ls, rs) -> run ls + run rs
+  | Sub (ls, rs) -> run ls - run rs
+  | Mul (ls, rs) -> run ls * run rs
+  | Div (ls, rs) -> run ls / run rs
   | Pop s -> Stack.pop (evals s)
 and evals sexpr = match sexpr with
   | Emp -> Stack.N
-  | Push (v, s) -> Stack.push (eval_ v) (evals s)
+  | Push (v, s) -> Stack.push (run v) (evals s)