579         pub limits: RangeLimits,
1154     pub enum RangeLimits {
1186         ExprWhile, ExprYield, Label, PointerMutability, RangeLimits,
1365                 let limits: RangeLimits = input.parse()?;  in parse_expr()
1607                     RangeLimits::HalfOpen(limits) => &limits.spans,  in trailer_expr()
1608                     RangeLimits::Closed(limits) => &limits.spans,  in trailer_expr()
2875         let limits: RangeLimits = input.parse()?;  in expr_range()
2888         limits: &RangeLimits,  in parse_range_end()  argument
2891         if matches!(limits, RangeLimits::HalfOpen(_))  in parse_range_end()
2923     impl Parse for RangeLimits {  implementation
2930                 input.parse().map(RangeLimits::Closed)  in parse()
2932                 input.parse().map(RangeLimits::HalfOpen)  in parse()
2940     impl RangeLimits {  impl
2947                 input.parse().map(RangeLimits::Closed)  in parse_obsolete()
2950                 Ok(RangeLimits::Closed(Token![..=](dot3.spans)))  in parse_obsolete()
2952                 input.parse().map(RangeLimits::HalfOpen)  in parse_obsolete()
3134         ExprWhile, ExprYield, Label, PointerMutability, RangeLimits,
4156     impl ToTokens for RangeLimits {  implementation
4159                 RangeLimits::HalfOpen(t) => t.to_tokens(tokens),  in to_tokens()
4160                 RangeLimits::Closed(t) => t.to_tokens(tokens),  in to_tokens()