add SalsaStructInDb impls for inputs, interned

Now all types have them.

components/salsa-2022-macros/src/input.rs

@@ -37,6 +37,7 @@ impl InputStruct {
         let inherent_impl = self.input_inherent_impl();
         let ingredients_for_impl = self.input_ingredients(&config_structs);
         let as_id_impl = self.as_id_impl();
+        let salsa_struct_in_db_impl = self.salsa_struct_in_db_impl();
 
         Ok(quote! {
             #(#config_structs)*
@@ -45,6 +46,7 @@ impl InputStruct {
             #ingredients_for_impl
             #as_id_impl
             #(#config_impls)*
+            #salsa_struct_in_db_impl
         })
     }
 
@@ -193,4 +195,17 @@ impl InputStruct {
             .map(|(_, i)| Literal::usize_unsuffixed(i))
             .collect()
     }
+
+    /// Implementation of `SalsaStructInDb`.
+    fn salsa_struct_in_db_impl(&self) -> syn::ItemImpl {
+        let ident = self.id_ident();
+        let jar_ty = self.jar_ty();
+        parse_quote! {
+            impl<DB> salsa::salsa_struct::SalsaStructInDb<DB> for #ident
+            where
+                DB: ?Sized + salsa::DbWithJar<#jar_ty>,
+            {
+            }
+        }
+    }
 }

components/salsa-2022-macros/src/interned.rs

@@ -38,6 +38,7 @@ impl InternedStruct {
         let ingredients_for_impl = self.ingredients_for_impl();
         let as_id_impl = self.as_id_impl();
         let named_fields_impl = self.inherent_impl_for_named_fields();
+        let salsa_struct_in_db_impl = self.salsa_struct_in_db_impl();
 
         Ok(quote! {
             #id_struct
@@ -45,6 +46,7 @@ impl InternedStruct {
             #ingredients_for_impl
             #as_id_impl
             #named_fields_impl
+            #salsa_struct_in_db_impl
         })
     }
 
@@ -140,4 +142,17 @@ impl InternedStruct {
             }
         }
     }
+
+    /// Implementation of `SalsaStructInDb`.
+    fn salsa_struct_in_db_impl(&self) -> syn::ItemImpl {
+        let ident = self.id_ident();
+        let jar_ty = self.jar_ty();
+        parse_quote! {
+            impl<DB> salsa::salsa_struct::SalsaStructInDb<DB> for #ident
+            where
+                DB: ?Sized + salsa::DbWithJar<#jar_ty>,
+            {
+            }
+        }
+    }
 }