{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"SyntaxKind::BREAK_EXPR"}]}
        SyntaxKind::BREAK_EXPR => ast::BreakExpr::cast(node).and_then(|e| e.expr()),
        SyntaxKind::PATH_EXPR | SyntaxKind::LOOP_EXPR => None,
        SyntaxKind::RETURN_EXPR => ast::ReturnExpr::cast(node).and_then(|e| e.expr()),