{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"self.resolve_vars_if_possible(ideal_method.sig.inputs()[idx"}]}
                            self.resolve_vars_if_possible(ideal_method.sig.inputs()[idx + 1])
                        && let ideal_arg_ty =
                        && !ideal_arg_ty.has_non_region_infer()