// ==========================================================================
// $Id: captures.cpp,v 1.1 2013/11/10 02:28:08 jlang Exp $
// CSI2372 example Code for lecture 13 - C++11
// ==========================================================================
// (C)opyright:
//
//   Jochen Lang
//   SITE, University of Ottawa
//   800 King Edward Ave.
//   Ottawa, On., K1N 6N5
//   Canada. 
//   http://www.site.uottawa.ca
// 
// Creator: jlang (Jochen Lang)
// Email:   jlang@site.uottawa.ca
// ==========================================================================
// $Log: captures.cpp,v $
// Revision 1.1  2013/11/10 02:28:08  jlang
// Added examples on bind and lambdas
//
// ==========================================================================
#include <iostream>
#include <string>

using std::cout;
using std::endl;
using std::string;

int main() {
	int a=0, b=1, c=1;
	string article = "A ";
	string noun = "string";

	cout << "a = " << a;		
	auto val_cap = [=] { return a;};
	++a; // will not affect value capture!
	cout  << " -- " << a << endl;
	cout << "val_cap(): " << val_cap() << endl;
	cout << "a = " << a << endl;
	
	cout << "b = " << b;
	auto ref_cap = [&] { return ++b;};
	cout << " -- " << b;
	++b;
	cout  << " -- " << b << endl;
	cout << "ref_cap(): " << ref_cap() << endl;
	cout << "b = " << b << endl;

	cout << "c = " << c;		
	auto val_cap_mutable = [=] () mutable  { return ++c;};
	--c; // will not affect value capture!
	cout  << " -- " << c << endl;
	cout << "val_cap_mutable(): " << val_cap_mutable() << endl;
	cout << "c = " << c << endl;

	cout << article << noun << endl;
	auto mixed = [=,&article] { article="The "; 
		return article+noun; };
	cout << "Mixed: " << mixed() << endl;
	cout << article << noun << endl;


  return 0;
}