{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"token::OrEq"}]}
            token::OrEq => Some(AssignOp(AssignOpKind::BitOrAssign)),
            token::AndEq => Some(AssignOp(AssignOpKind::BitAndAssign)),
            token::ShlEq => Some(AssignOp(AssignOpKind::ShlAssign)),