Add rhai_fn nested attribute and skip fn parameter

codegen/tests/test_nested.rs

@@ -0,0 +1,36 @@
+use rhai::module_resolvers::*;
+use rhai::{Engine, EvalAltResult, RegisterFn, FLOAT, INT};
+
+pub mod one_fn_module_nested_attr {
+    use rhai::plugin::*;
+
+    #[export_module]
+    pub mod advanced_math {
+        use rhai::plugin::*;
+        use rhai::FLOAT;
+
+        #[rhai_fn(return_raw)]
+        pub fn get_mystic_number() -> Result<Dynamic, Box<EvalAltResult>> {
+            Ok(Dynamic::from(42.0 as FLOAT))
+        }
+    }
+}
+
+#[test]
+fn one_fn_module_nested_attr_test() -> Result<(), Box<EvalAltResult>> {
+    let mut engine = Engine::new();
+    let m = rhai::exported_module!(crate::one_fn_module_nested_attr::advanced_math);
+    let mut r = StaticModuleResolver::new();
+    r.insert("Math::Advanced".to_string(), m);
+    engine.set_module_resolver(Some(r));
+
+    assert_eq!(
+        engine.eval::<FLOAT>(
+            r#"import "Math::Advanced" as math;
+           let m = math::get_mystic_number();
+           m"#
+        )?,
+        42.0
+    );
+    Ok(())
+}