I get an error when compiling several files, these are the errors:
93 20 [Error] request for member 'get_aceptacion' in '((nfa *) this) -> nfa :: statements_.std :: vector :: operator [] > ((( std :: vector :: size_type) i)) ', which is of non-class type' int '
94 20 [Error] request for member 'n_transitions' in' ((nfa *) this) - & nt; nfa :: states_.std :: vector :: operator [] > ((( std :: vector :: size_type) i)) ', which is of non-class type' int '
95 23 [Error] request for member 'get_transitions' in' ((nfa *) this) - & nt; nfa :: states_.std :: vector :: operator [] > ((( std :: vector :: size_type) i)) ', which is of non-class type' int '
99 8 [Error] no match for 'operator