syntax_data: {"ast_node_type":"variable","tokens":[{"end":43,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let body = tcx.hir_body_owned_by(item);
context_before: fn nested_bodies_within<'tcx>(tcx: TyCtxt<'tcx>, item: LocalDefId) -> &'tcx ty::List<LocalDefId> {
context_after:     let mut collector =