Allow fully-qualified derives

Adding a custom derive like "serde::Deserialize" results in a panic complaining
that it is not a valid Ident. Derive params are not identifiers, so treat it as
a token stream instead.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/codegen/helpers.rs b/src/codegen/helpers.rs
index 2ce6894f..75c169c6 100644
--- a/src/codegen/helpers.rs
+++ b/src/codegen/helpers.rs
@@ -30,7 +30,7 @@ pub mod attributes {
         let which_ones = which_ones
             .iter()
             .cloned()
-            .map(|one| Ident::new(one, Span::call_site()));
+            .map(|one| TokenStream::from_str(one).expect("derive to be valid"));
         quote! {
             #[derive( #( #which_ones ),* )]
         }