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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.

array::front() Syntax

    array_name.front();

array::front() Parameter(s)

None

array::front() Return Value

It returns a reference to the first element of array_name.

Example:

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

    Function call:
    values.front();

    Output:
    10

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