syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"is_derived,"}]}
source_snippet:                     is_derived, structural_partial_eq, non_blanket_impl, ..
context_before:                 let PartialEqImplStatus {
context_after:                 } = type_has_partial_eq_impl(self.tcx, self.typing_env, ty);