{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":".filter(|&vid|"}]}
                .filter(|&vid| inner.float_unification_table().probe_value(vid).is_unknown())
                .map(|i| ty::FloatVid::from_usize(i))
                .map(|v| Ty::new_float_var(self.tcx, v)),