7     Delimiter, Group, Ident, LexError, Literal, Punct, Spacing, Span, TokenStream, TokenTree,
107     // Span is implemented as an index into a thread-local interner to keep the
110     // handling, so pin the span we're given to its original thread and assume
111     // it is Span::call_site if accessed from any other thread.
112     span: ThreadBound<SpanRange>,  field
116 // Cannot use std::ops::Range<Span> because that does not implement Copy,
120     start: Span,
121     end: Span,
131     /// automatically uses the correct span from the current position of the
134     /// Use `Error::new` when the error needs to be triggered on some span other
153     ///         return Err(Error::new(name_token.span(), "expected `name`"));
160     pub fn new<T: Display>(span: Span, message: T) -> Self {  in new()  argument
161         return new(span, message.to_string());  in new()
163         fn new(span: Span, message: String) -> Error {  in new()  argument
166                     span: ThreadBound::new(SpanRange {  in new()
167                         start: span,  in new()
168                         end: span,  in new()
181     /// to attempt to span all tokens inside of `tokens`. While you would
196             let start = iter.next().map_or_else(Span::call_site, |t| t.span());  in new_spanned()
197             let end = iter.last().map_or(start, |t| t.span());  in new_spanned()
200                     span: ThreadBound::new(SpanRange { start, end }),  in new_spanned()
209     /// Spans are not thread-safe so this function returns `Span::call_site()`
212     pub fn span(&self) -> Span {  in span()  argument
213         let SpanRange { start, end } = match self.messages[0].span.get() {  in span()
214             Some(span) => *span,  in span()
215             None => return Span::call_site(),  in span()
279         let (start, end) = match self.span.get() {  in to_compile_error()
281             None => (Span::call_site(), Span::call_site()),  in to_compile_error()
329 pub(crate) fn new_at<T: Display>(scope: Span, cursor: Cursor, message: T) -> Error {  in new_at()  argument
333         let span = crate::buffer::open_span_of_group(cursor);  in new_at()  localVariable
334         Error::new(span, message)  in new_at()
339 pub(crate) fn new2<T: Display>(start: Span, end: Span, message: T) -> Error {  in new2()  argument
342     fn new2(start: Span, end: Span, message: String) -> Error {  in new2()  argument
345                 span: ThreadBound::new(SpanRange { start, end }),  in new2()
391             span: self.span,  in clone()
409         Error::new(err.span(), err)  in from()