{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"ast::ExprKind::Path(None,"}]}
            ast::ExprKind::Path(None, path)
            // require type-checking: see `visit_generic_arg` in `src/librustc_resolve/late.rs`.
                if let [segment] = path.segments.as_slice()