90     cat: Option<WordCat>,  field
212         let mut cat = wd::WC_Any;  in next()  localVariable
221             let prev_zwj = cat == wd::WC_ZWJ;  in next()
223             cat = match self.cat {  in next()
225                 _ => self.cat.take().unwrap(),  in next()
238                 match cat {  in next()
265             // Don't use `continue` in this match without updating `cat`  in next()
267                 Start if cat == wd::WC_CR => {  in next()
274                 Start => match cat {  in next()
290                                 self.cat = Some(ncat);  in next()
297                 WSegSpace => match cat {  in next()
309                 Letter | HLetter => match cat {  in next()
315                         savecat = cat;  in next()
323                         savecat = cat;  in next()
332                 Numeric => match cat {  in next()
338                         savecat = cat;  in next()
347                 Katakana => match cat {  in next()
355                 ExtendNumLet => match cat {  in next()
373                 Regional(RegionalState::Half) => match cat {  in next()
390                     RequireNumeric if cat == wd::WC_Numeric => Numeric, // rule WB11  in next()
391                     RequireLetter | AcceptQLetter if cat == wd::WC_ALetter => Letter, // rule WB7  in next()
392                     RequireLetter | AcceptQLetter if cat == wd::WC_Hebrew_Letter => HLetter, // WB7a  in next()
393                     RequireHLetter if cat == wd::WC_Hebrew_Letter => HLetter, // rule WB7b  in next()
408                 cat = savecat;  in next()
413         self.cat = if take_curr {  in next()
417             Some(cat)  in next()
446         let mut cat = wd::WC_Any;  in next_back()  localVariable
455             cat = match self.catb {  in next_back()
467             if cat == wd::WC_Extend || cat == wd::WC_Format || (cat == wd::WC_ZWJ && state != Zwj) {  in next_back()
492                 Start | FormatExtend(AcceptAny) => match cat {  in next_back()
509                             if cat == wd::WC_LF {  in next_back()
522                 Zwj => match cat {  in next_back()
530                 WSegSpace => match cat {  in next_back()
538                 Letter | HLetter => match cat {  in next_back()
556                 Numeric => match cat {  in next_back()
570                 Katakana => match cat {  in next_back()
578                 ExtendNumLet => match cat {  in next_back()
589                 Regional(mut regional_state) => match cat {  in next_back()
630                     RequireNumeric if cat == wd::WC_Numeric => Numeric, // rule WB12  in next_back()
631                     RequireLetter if cat == wd::WC_ALetter => Letter,   // rule WB6  in next_back()
632                     RequireLetter if cat == wd::WC_Hebrew_Letter => HLetter, // rule WB6  in next_back()
633                     AcceptQLetter if cat == wd::WC_Hebrew_Letter => HLetter, // rule WB7a  in next_back()
634                     RequireHLetter if cat == wd::WC_Hebrew_Letter => HLetter, // rule WB7b  in next_back()
659                 Some(cat)  in next_back()
716         cat: None,  in new_word_bounds()