syntax_data: {"ast_node_type":"variable","tokens":[{"end":31,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let const_val =
context_before:             ExprKind::StaticRef { alloc_id, ty, .. } => {
context_after:                     ConstValue::Scalar(Scalar::from_pointer((*alloc_id).into(), &self.tcx));