error[E0308]: mismatched types
  --> $DIR/export_mod_raw_return.rs:12:8
   |
9  | #[export_module]
   | ---------------- expected `std::result::Result<rhai::Dynamic, std::boxed::Box<rhai::EvalAltResult>>` because of return type
...
12 | pub fn test_fn(input: Point) -> bool {
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found `bool`
   |
   = note: expected enum `std::result::Result<rhai::Dynamic, std::boxed::Box<rhai::EvalAltResult>>`
              found type `bool`