Vector

[aluhnev]

#include "stdafx.h"
#include<vector>
#include<iostream>
using namespace std;


int main( int argc, char ** argv )
{
        // from initializer list (C++11)
    cout << "vector from initializer list (C++11): " << endl;
    vector<int> vi1 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
    cout << "size: " << vi1.size() << endl;
    cout << "front: " << vi1.front() << endl;
    cout << "back: " << vi1.back() << endl;
    cout << "insert 42 at begin + 5: " << endl;
    vi1.insert(vi1.begin() + 5, 42);
    cout << "size: " << vi1.size() << endl;
    cout << "vi1[5]: " << vi1[5] << endl;
    cout << "erase at begin + 5: " << endl;
    vi1.erase(vi1.begin() + 5);
    cout << "size: " << vi1.size() << endl;
    cout << "vi1[5]: " << vi1[5] << endl;

    cout << "push_back 47: " << endl;
    vi1.push_back(47);
    cout << "size: " << vi1.size() << endl;
    cout << "vi1.back() " << vi1.back() << endl;

    // range-based iterator (C++11)
    cout << "range-based iterator (C++11): " << endl;
    for(int & v : vi1) {
        cout << v << " ";
    }
    cout << endl << endl;

    // from C-array
    const static int size = 10;
    cout << "vector from C-array: " << endl;
    int ia[size] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
    vector<int> vi2(ia, ia + size);
    cout << "plain old for loop (i:v)" << endl;
    for(int i = 0; i < size; i++) {
        cout << i << ":" << vi2[i] << " ";
    }
    cout << endl << endl;


    // from argc/argv list
    cout << "vector of strings, from argc/argv list: " << endl;
    vector<string> args(argv, argv + argc);
    for(string & v : args) {
        cout << v << endl;
    }
    return 0;
}

// On the line 11 the compiler comlaines about curly braces.Why is it so.? Using visual studio 2012.Thank you.

[sepp2k]

According to this list Visual Studio did not support initializer lists until version 2013. So you just won't be able to use this feature with your version of Visual Studio.