syntax_data: {"ast_node_type":"function","tokens":[{"end":98,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet: fn sanity_check_via_rustc_peek<'tcx, A>(tcx: TyCtxt<'tcx>, mut cursor: ResultsCursor<'_, 'tcx, A>)
context_before: /// errors are not intended to be used for unit tests.)
context_after: where