242 fn parse_integer(iter: &mut NodeIterator<'_>) -> Result<usize, String> {  in parse_integer()  function
326         let value = parse_integer(&mut children)?;  in parse_enum_value()
346         let start = parse_integer(&mut children)?;  in parse_enum_range()
347         let end = parse_integer(&mut children)?;  in parse_enum_range()
400                 let size = parse_integer(&mut children)?;  in parse_field()
411                 let width = parse_integer(&mut children)?;  in parse_field()
416                 let width = parse_integer(&mut children)?;  in parse_field()
421                 let width = parse_integer(&mut children)?;  in parse_field()
432                     let width = parse_integer(&mut children)?;  in parse_field()
443                 let width = parse_integer(&mut children)?;  in parse_field()
466                 let width = parse_integer(&mut children)?;  in parse_field()
528                 let width = parse_integer(&mut children)?;  in parse_toplevel()
548                 let width = parse_integer(&mut children)?;  in parse_toplevel()