syntax_data: {"ast_node_type":"variable","tokens":[{"end":31,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let context_ref_place =
context_before:         // First state-loop yield for mainline
context_after:             Place::from(body.local_decls.push(LocalDecl::new(context_mut_ref, source_info.span)));