{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"//"}]}
            // DotDotDot is no longer supported, but we need some way to display the error
            token::DotDot => Some(Range(RangeLimits::HalfOpen)),
            token::DotDotEq | token::DotDotDot => Some(Range(RangeLimits::Closed)),