Fix parameter for Interner in derive(FallibleTypeFolder) macro

rust-lang · Oct 13, 2022 · f299265 · f299265
1 parent 1b32e5d
commit f299265
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/chalk-derive/src/lib.rs b/chalk-derive/src/lib.rs
@@ -313,7 +313,7 @@ fn derive_fallible_type_folder(mut s: synstructure::Structure) -> TokenStream {
         quote! {
             type Error = ::core::convert::Infallible;
 
-            fn as_dyn(&mut self) -> &mut dyn ::chalk_ir::fold::FallibleTypeFolder<I, Error = Self::Error> {
+            fn as_dyn(&mut self) -> &mut dyn ::chalk_ir::fold::FallibleTypeFolder<#interner, Error = Self::Error> {
                 self
             }