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int arr[] = { 10, 20, 30, 40 };
for (int x : arr)
{
// Stuff with x
// x will first have 10, then 20 and so on.
}
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// C++ program to demonstrate use of foreach
#include <iostream>
using namespace std;
int main()
{
int arr[] = { 10, 20, 30, 40 };
// Printing elements of an array using
// foreach loop
for (int x : arr)
cout << x << endl;
}
//output:
//10
//20
//30
//40
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for_each( InputIt first, InputIt last, UnaryFunction f );
//Example
vector<int> v{ 1, 2, 3, 4, 5 };
for_each(v.begin(), v.end(), [](int i) { cout<<i<<" "<<endl; });