syntax_data: {"ast_node_type":"variable","tokens":[{"end":88,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let _guard = $crate::ty::print::pretty::RtnModeHelper::with(RtnMode::ForSuggestion);
context_before: pub macro with_types_for_suggestion($e:expr) {{
context_after:     $e