syntax_data: {"ast_node_type":"variable","tokens":[{"end":58,"kind":"keyword","start":0,"text":"&&"}]}
source_snippet:                     && let def_kind = tcx.def_kind(def_id)
context_before:                     && let Some(def_id) = def_id.as_local()
context_after:                     && matches!(def_kind, DefKind::Closure)