syntax_data: {"ast_node_type":"function","tokens":[{"end":62,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn ty_infer_name(&self, id: ty::TyVid) -> Option<Symbol> {
context_before: impl<'tcx> PrettyPrinter<'tcx> for FmtPrinter<'_, 'tcx> {
context_after:         self.0.ty_infer_name_resolver.as_ref().and_then(|func| func(id))