syntax_data: {"ast_node_type":"function","tokens":[{"end":58,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn new(tcx: TyCtxt<'tcx>, ns: Namespace) -> Self {
context_before: impl<'a, 'tcx> FmtPrinter<'a, 'tcx> {
context_after:         let limit =