Test.cpp

//
//  main.cpp
//  iterable
//
//  Created by Jeme Jbareen on 5/12/19.
//  Copyright © 2019 Jeme Jbareen. All rights reserved.
//

#include <iostream>
#include <sstream>
#include "range.hpp"
#include "chain.hpp"
#include "zip.hpp"
#include "product.hpp"
#include "powerset.hpp"

using namespace std;
using namespace itertools;

template<typename Iterable>
string iterable_to_string(const Iterable& iterable) {
    ostringstream ostr;
    for (auto i: iterable)
        ostr << i << ",";
    return ostr.str();
}
int main(int argc, const char * argv[]) {
    cout << endl << "Range of ints: " << endl;
    for (int i: range(5,9))
        cout << i;    // 5678
    cout << endl << "Range of doubles: " << endl;
    for (double i: range(5.1,9.1))
        cout << i << " ";    // 5.1 6.1 7.1 8.1
    cout << endl << "Range of chars: " << endl;
    for (char i: range('a','e'))
        cout << i << " ";    // a b c d
    
    // Note: this example works even without your code
    // It shows that a string is also an "iterable" - it can be iterated with a for-each loop.
    cout << endl << "Standard string: " << endl;
    for (char i: string("hello"))
        cout << i << " ";    // prints h e l l o
    
    cout << endl << "Chain of two ranges: " << endl;
    for (int i: chain(range(1,4), range(5,8)))
        cout << i;    // prints 123567
    cout << endl << "Chain of a range and a string: " << endl;
    for (char i: chain(range('a','e'), string("hello")))
        cout << i;    // abcdhello
    cout << endl << "Zip a range of ints and a string (must be of the same size)" << endl;
    for (auto pair: zip(range(1,6), string("hello")))
        cout << pair << "  ";    // 1,h  2,e  3,l  4,l  5,o
    cout << endl << "Zip of zips" << endl;
    for (auto pair: zip(zip(range(1,4), string("xyz")),zip(string("abc"),range(6,9))))
        cout << pair << "  ";    // 1,x,a,6  2,y,b,7  3,z,c,8
    cout << endl << "Cartesian product of a range of ints and a string (can be of different sizes)" << endl;
    for (auto pair: product(range(1,4), string("hello")))
        cout << pair << "  ";    // 1,h  1,e  1,l  1,l  1,o  2,h  2,e  2,l  2,l  2,o  3,h  3,e  3,l  3,l  3,o
    cout << endl << "Power-set of range of ints " << endl;
    for (auto subset: powerset(range(1,4)))
        cout << subset;  // {}{1}{2}{1,2}{3}{1,3}{2,3}{1,2,3}
    cout << endl << "Power-set of chain " << endl;
    for (auto subset: powerset(chain(range('a','c'),range('x','z'))))
        cout << subset;  // {}{a}{b}{a,b}{x}{a,x}{b,x}{a,b,x}{y}{a,y}{b,y}{a,b,y}{x,y}{a,x,y}{b,x,y}{a,b,x,y}
  //  cout << iterable_to_string(powerset(chain(range('a','c'),range('x','z')))) << endl;
    cout << endl;
}