syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // FIXME(khuey) at what point is it safe to bail on the iterator?
context_before:         for (_, node) in tcx.hir_parent_iter(var_id.0) {
context_after:             // Can we stop at the first non-Pat node?