Matching

#include <astl.h>
#include <dfa.h>
#include <cursor.h>
#include <language.h>
#include <string>
#include <iostream>

int main()
{
  using namespace std;
  DFA_matrix<> A;
  string w = "word";
  // Construction...
  cursor<DFA_matrix<> > c(A);

  string::const_iterator i = w.begin();
  for(c = A.initial(); i != w.end() && c.forward(*i); ++i);
  if (i == w.end() && c.src_final()) cout << "recognized";

  if (is_in(w.begin(), w.end(), plainc(A))) cout << "recognized too";

  if (is_in(istream_iterator<char>(cin), istream_iterator<char>(),
            plainc(A))) cout << "found on stdin"; 
}