{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"token::AndEq"}]}
            token::AndEq => Some(AssignOp(AssignOpKind::BitAndAssign)),
            token::CaretEq => Some(AssignOp(AssignOpKind::BitXorAssign)),
            token::OrEq => Some(AssignOp(AssignOpKind::BitOrAssign)),