Search DaniWeb - iterator

Re: Iterator Class Help 15 Years Ago by lancevo3 …amp;, const List<T>&); friend class Iterator; private: LNode<T>* head; LNode&… public: Iterator(); Iterator(LNode<T>*); Iterator<T>& operator++(); Iterator<T> operator++(int); Iterator<T&… Re: Iterator Class Help 15 Years Ago by mrnutty … #include <iostream> template <class T> class Iterator; template <class T> class List; template <class…;* nodePtr; public: Iterator(); Iterator(LNode<T>*); Iterator<T>& operator++(); Iterator<T> operator++(int); Iterator<T>… Iterator Class Help 15 Years Ago by lancevo3 …;, const List<T>&); friend class Iterator; private: LNode<T>* head; LNode….h:75: error: ISO C++ forbids declaration of âIteratorâ with no type List.h:75: error: expected â;â…expected â;â before â<â token List.h:79: error: âIteratorâ has not been declared List.h:79: error: expected … iterator inner class in minheap 14 Years Ago by anders10 … } public void remove(){ throw new UnsupportedOperationException(); } } Here is the iterator method in the outer class. There is of course many… } public void remove(){ throw new UnsupportedOperationException(); } } Here is the iterator method in the outer class. There is of course many… Iterator in java 14 Years Ago by prem2 ….*; import java.util.Hashtable.*; import java.util.Iterator.*; import java.util.Enumeration.*; import java.io.*;…quot;); iobj.next(); } } } [/code] In Iterator declaration. What is the purpose of using the keySet…() in the iterator? What is keySet()? [code] Iterator iobj=hobj.keySet().iterator(); [/code] Thank you… Re: iterator addition - How does it work? 17 Years Ago by vijayan121 … /*...*/ } }[/CODE] if you want to figure out what kind of iterator it is, use [B]std::iterator_traits<>[/B]. for…} // etc template< typename iterator_type > inline void foo( iterator_type iterator ) { bar( iterator, typename iterator_traits<iterator_type>::iterator_category() ) ; } int main() {… Re: iterator inner class in minheap 14 Years Ago by anders10 … away. This is the final version: public class MyListIterator implements Iterator<E>{ private int pos; public MyListIterator(){ pos = 0… Iterator problem - template function 15 Years Ago by pac-man …int number(int n, vector<int>::iterator start, vector<int>::iterator end) { int count = 0; for(start… I get an error message "syntax error : identifier 'iterator'". [CODE] template <class T> int number…(T n, vector<T>::iterator start, vector<T>::iterator end) { int count = 0; for(start… Re: Iterator in java 14 Years Ago by prem2 Why should not we use like the below statement? [code]Iterator iobj=hobj.iterator();[/code] Using enumeration [code]Enumeration eobj=eobj.elements();[/code] Re: Iterator problem - template function 15 Years Ago by Narue …, they became dependent types. You need to specify that iterator refers to a type name: [code] template <class T&…( T n, typename vector<T>::iterator start, typename vector<T>::iterator end) { int count = 0; for(start; start… iterator deref problem 17 Years Ago by JRM …experimenting with a direct method of dereferencing an iterator. It works OK with numbers, cout gets… troubleshooting and it came down to the iterator. How can this method be used with…int main() { string input; vector <string>::iterator itr = strv.begin(); do { getline (cin,input);… iterator error of unknown meaning - STL map 17 Years Ago by FireSBurnsmuP …'s the code: [code] for ( map<string,int>::iterator word = mostUsed.begin() ; word != mostUsed.end() ; word++ ) … that for-loop: [code]for( map<string,int>::iterator x = fauxIn.begin() ; x != fauxIn.end() ; x++…the problem, apparently[inlinecode]map<string,int>::iterator word = mostUsed.begin()[/inlinecode] is the problem, but… iterator addition - How does it work? 17 Years Ago by FireSBurnsmuP … any value. I want to make a second iterator that starts one higher than the first one. Look-see: [… Iterator to vector in a class 15 Years Ago by kamos.jura I have a problem with accessing iterator to the vector in following code (just a few important …;Senzory*> data) { int pocet = 0; vector <Data*>::iterator it,ot; int stop = data.size(); int i,j,a…=1e8,b, num_del; vector<double>::iterator it1,it2; for(i=0;i<stop;i++) { b… Re: iterator deref problem 17 Years Ago by JRM … proposed by Fox. The fix was simply to move the iterator intiialization to a line AFTER the vector had been stuffed… first loop" << endl; vector <string>::iterator itr = strv.begin(); //put itr init here instead while (itr… Re: iterator error of unknown meaning - STL map 17 Years Ago by FireSBurnsmuP Wow, thanks! That allowed me to compile for the first time in a month. ^_^ I wouldn't have thought to make it a const_iterator instead of a regular iterator. Thanks! ::iterator for 2D Vector 16 Years Ago by Jennifer84 … the OutPut, I know I will use any kind of ::iterator and knowing begin() and end() of each element but I…("C:\\File1"); for( std::vector<string>::iterator it = 2DVector[1].begin(); it !=2DVector[1].end(); it++) { OutPut… Re: ::iterator for 2D Vector 16 Years Ago by John A …< std::vector<int> >::iterator iter_x; std::vector<int>::iterator iter_y; for (iter_x = my_vector.begin(); iter_x != my_vector… Re: iterator index value 15 Years Ago by guest7 Hi, I am trying to see to which key the iterator is pointing in a map. is there a way to … store unique keys in a map. [CODE] mapType::iterator it = cube.begin(); mapType::iterator its = it; std::advance(its,1); for(; it… Iterator to HashMap 15 Years Ago by anilopo I want to pass all the values from a HashMap to ArrayList (that a demand of my exercise..) and to use for it an iterator (to the HashMap). How do I get the first key to the HashMap? (if I have the first I'll continue in a loop untill there is no "hasNext ()" to the iterator..) Re: Iterator to vector in a class 15 Years Ago by kamos.jura … I don't understand why I cannot access even the iterator with: [ICODE]it2=data.at(i)->GetData().end();[/ICODE… Re: Iterator to vector in a class 15 Years Ago by mitrmkar If you'd be allowed to do that, it would make [ICODE]const[/ICODE] quite meaningless, since you'd get a non-const iterator, through which you could modify the (const) vector. Re: Iterator and vector help, with removing a string from vector? 14 Years Ago by mike_2000_17 … template<>'s code with the following: [CODE] TVec::iterator iter = std::find(v.begin(), v.end(), who); //returns the… iterator that matches 'who'. if(iter != v.end() ) { v.erase(iter);…be of type [ICODE]std::vector<std::string>::iterator[/ICODE] (or equivalently with a typedef). Iterator doesn't reset itself 11 Years Ago by overflowh …> *f1_t1 = t1.func1(); std::vector<std::string>::iterator iterv; for (iterv = f1_t1->begin(); iterv != f1_t1->end… of the same type (vector of strings). Then, using an iterator, the content of the vectors is printed out. In the… iterator access for sum-= 9 Years Ago by toneranger …'s read into my function and I'm using an iterator to read through as follows: int length = a; int count… googling for the right syntax to do this with the iterator, in this case, itr, but no luck so far. Any… Re: iterator index value 16 Years Ago by minas1 [QUOTE=serkansendur;730786]is there any vay to access iterator's index value without using another variable in the for … main() { vector <int> vec; vector<int>::iterator iter; for(int i = 0; i < 5; ++i) vec… Re: iterator index value 16 Years Ago by ArkM That's just the point: a STL iterator is not an index value. It looks like an index … at all. In actual fact an index is a simplest iterator too but not vice versa. Re: Iterator to HashMap 15 Years Ago by anilopo [QUOTE=JamesCherrill;1085390]HashMap has a values() method that returns a Collection of all the values. ArrayList has a constructor that takes a Collection of values to populate the list. So all you need is a single line of code.[/QUOTE] I worked it out with an iterator. but maybe I'll change it eventually.. thx! Re: Iterator and vector help, with removing a string from vector? 14 Years Ago by template<> … way to remove an item from a vector using an iterator. [CODE] class Eraser { public: Eraser() { _vector.push_back("fred"…"); } bool remove(const std::string &who_) { for( TVec::iterator i=_vector.begin(); i!=_vector.end(); ++i ) { if( *i == who_… Re: Iterator and vector help, with removing a string from vector? 14 Years Ago by template<> … == who_ 3. remove item from vector using iterator: _vector.erase(i) [code] for( TVec::iterator i=_vector.begin(); i!=_vector.end(); ++i…