Bring more functions into modules in plugins via rhai_fn(name) attribute.

src/packages/fn_basic.rs

@@ -5,14 +5,14 @@ use crate::plugin::*;
 #[cfg(not(feature = "no_object"))]
 use crate::engine::make_getter;
 
-#[export_fn]
-fn get_fn_name(f: &mut FnPtr) -> ImmutableString {
-    f.get_fn_name().clone()
-}
-
 def_package!(crate:BasicFnPackage:"Basic Fn functions.", lib, {
     set_exported_fn!(lib, "name", get_fn_name);
 
     #[cfg(not(feature = "no_object"))]
     set_exported_fn!(lib, make_getter("name"), get_fn_name);
 });
+
+#[export_fn]
+fn get_fn_name(f: &mut FnPtr) -> ImmutableString {
+    f.get_fn_name().clone()
+}