117     pub fn begin(&self) -> Cursor {  in begin()
135 pub struct Cursor<'a> {  struct
139     // point at. All other `End` objects are skipped over in `Cursor::create`.  argument
141     // Cursor is covariant in 'a. This field ensures that our pointers are still  argument
146 impl<'a> Cursor<'a> {  implementation
365 impl<'a> Copy for Cursor<'a> {}  implementation
367 impl<'a> Clone for Cursor<'a> {  implementation
373 impl<'a> Eq for Cursor<'a> {}  implementation
375 impl<'a> PartialEq for Cursor<'a> {  implementation
377         let Cursor { ptr, scope, marker } = self;  in eq()  localVariable
383 pub(crate) fn same_scope(a: Cursor, b: Cursor) -> bool {  in same_scope()