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array::front() function with Example in C++ STL

C++ STL | array::front() function: Here, we are going to learn about the front() function of Array in C++ STL.
Submitted by IncludeHelp, on February 28, 2019

C++ STL array::front() function

font() function is a library function of array and it is used to get the first element of an array, it returns the reference to the first element in an array.

Syntax

    array_name.front();

Parameter(s)

None

Return value

It returns a reference to the first element of array_name.

Sample Input and Output

Input or array declaration:
array<int,5> values {10, 20, 30, 40, 50};

Function call:
values.front();

Output:
10

Example

C++ STL program to get the first element of an array using array:front() −

#include <array>
#include <iostream>
using namespace std;

int main() {
  array<int, 5> values{10, 20, 30, 40, 50};

  // printing first element
  cout << "First element is: " << values.front() << endl;

  return 0;
}

Output

First element is: 10