{"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":"BinOp::Mul"}]}
        BinOp::Mul => b.fmul(lhs, rhs),
        BinOp::Sub => b.fsub(lhs, rhs),
        BinOp::Div => b.fdiv(lhs, rhs),