{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"ast::LitKind::Float(v,"}]}
                ast::LitKind::Float(v, _) => match t {
            let (is_infinite, sym) = match lit.node {
                    // FIXME(f16_f128): add this check once `is_infinite` is reliable (ABI