Bug: Flattening generic type also flattens all generic parameters

macros/src/lib.rs

@@ -151,7 +151,7 @@ impl DerivedTS {
         let test_fn = format_ident!("export_bindings_{}", rust_ty.to_string().to_lowercase());
         let generic_params = generics
             .type_params()
-            .map(|_| quote! { () });
+            .map(|_| quote! { ts_rs::Dummy });
         let ty = quote!(<#rust_ty<#(#generic_params),*> as ts_rs::TS>);
 
         Some(quote! {

ts-rs/src/lib.rs

@@ -727,3 +727,22 @@ impl_primitives! {
 }
 #[rustfmt::skip]
 pub(crate) use impl_primitives;
+
+
+#[doc(hidden)]
+#[derive(Copy, Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
+pub struct Dummy;
+
+#[doc(hidden)]
+impl std::fmt::Display for Dummy {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self)
+    }
+}
+
+#[doc(hidden)]
+impl TS for Dummy {
+    fn name() -> String { "Dummy".to_owned() }
+    fn transparent() -> bool { false }
+}
+

ts-rs/tests/generics.rs

@@ -10,6 +10,7 @@ use std::{
 use ts_rs::TS;
 
 #[derive(TS)]
+#[ts(export)]
 struct Generic<T>
 where
     T: TS,