syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"ExprKind::Break"}]}
source_snippet:             ExprKind::Break { .. } | ExprKind::Continue { .. } | ExprKind::Return { .. } => (),
context_before:             // they are never assigned.
context_after:             ExprKind::Block { block }