Avoid closures for the intermediate macro.

src/intermediate/macros.rs

@@ -23,13 +23,15 @@ pub(crate) use inoop;
 ///
 /// This exists to make changing the type signature easier.
 macro_rules! intermediate {
-    ($istruct:ident, $pstruct:ident, $fnbody:expr) => {
+    ($istruct:ident, $pstruct:ident, $original:ident, $registry:ident, $fnbody:tt) => {
         impl $istruct {
             pub(crate) async fn new<'reg, 'orig, 'parse>(
                 registry: &'reg mut Registry<'orig, 'parse>,
                 original: &'orig organic::types::$pstruct<'parse>,
             ) -> Result<$istruct, CustomError> {
-                $fnbody(registry, original).await
+                let $original = original;
+                let $registry = registry;
+                $fnbody
             }
         }
     };