{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"token::DotDot"}]}
            token::DotDot => Some(Range(RangeLimits::HalfOpen)),
            token::OrOr => Some(Binary(BinOpKind::Or)),
            // DotDotDot is no longer supported, but we need some way to display the error