fn contains_illegal_impl_trait_in_trait<'db>(
db: &'db dyn HirDatabase,
sig: &EarlyBinder<'db, Binder<'db, FnSig<DbInterner<'db>>>>,
) -> Option<MethodViolationCode>fn contains_illegal_impl_trait_in_trait<'db>(
db: &'db dyn HirDatabase,
sig: &EarlyBinder<'db, Binder<'db, FnSig<DbInterner<'db>>>>,
) -> Option<MethodViolationCode>