296     struct parser  struct
298         mutable Iterator first;
299         Iterator second;
301         parser(Iterator begin, Iterator end)  in parser()  argument
306         bool done() const  in done()
312         bool operator ()(alternate<List> const &alternates) const  in operator ()()
318         bool operator ()(sequence<List> const &sequence) const  in operator ()()
323         bool operator ()(char_tag ch) const  in operator ()()
331         bool operator ()(char ch) const  in operator ()()
339         bool operator ()(ichar ich) const  in operator ()()
347         bool operator ()(char const *sz) const  in operator ()()
352         bool operator ()(istr const &s) const  in operator ()()
357         bool operator ()(char_range rng) const  in operator ()()
365         bool operator ()(ichar_range rng) const  in operator ()()