syntax_data: {"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"&&"}]}
source_snippet:             && fn_def_id == self.fn_def_id
context_before:             ) = self.tcx.opt_rpitit_info(unshifted_alias_ty.def_id)
context_after:             && self.seen.insert(unshifted_alias_ty.def_id)