C Vector empty
This function checks if the vector is empty or not.
Syntax
Consider a vector v. Syntax would be :
Example
bool empty();
Parameter
It does not contain any parameter.
Return value
It returns a boolean value either 0 or 1.
Example 1
Let's see a simple example.
Example
#include<iostream>
#include<vector>
using namespace std;
int main()
{
vector<int> v;
if(v.empty())
cout<<"Vector v is empty";
else
cout<<"Vector v is not empty";
return 0;
}
Output:
Output
Vector v is empty
Example 2
Let's see a simple example.
Example
#include<iostream>
#include<vector>
using namespace std;
int main()
{
vector<char> v1{'j','a','v','a'};
if(v1.empty())
cout<<"Vector v1 is empty";
else
cout<<"Vector v1 is not empty";
return 0;
}
Output:
Output
Vector v1 is not empty.
