doc update

zachs18 · Sep 13, 2024 · 92f77c8 · 92f77c8
1 parent c8e6fca
commit 92f77c8
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/derive/src/traits.rs b/derive/src/traits.rs
@@ -44,6 +44,11 @@ pub trait Derivable {
   fn explicit_bounds_attribute_name() -> Option<&'static str> {
     None
   }
+
+  /// If this trait has a custom meaning for "perfect derive", this function
+  /// should be overridden to return `Some`.
+  ///
+  /// The default is "the fields of a struct; unions and enums not supported".
   fn perfect_derive_fields(input: &DeriveInput) -> Option<Fields> {
     None
   }