Rust program to create a closure function to return the addition of given numbers

Rust | Iterator and Closure Example: Write a program to create a closure function to return the addition of given numbers.
Submitted by Nidhi, on November 22, 2021

Problem Solution:

In this program, we will create a closure function to return the addition of given numbers to the calling function.

Program/Source Code:

The source code to create a closure function to return the addition of given numbers is given below. The given program is compiled and executed on UBUNTU 18.04 successfully.

```// Rust program to create a closure function
// to return addition of given numbers

fn main() {
let num1 = 10;
let num2 = 21;

let sum = |n1,n2|
{
n1+n2
};

println!("Addition is: {:?}",sum(num1,num2));
}
```

Output:

```Addition is: 31
```

Explanation:

Here, we created two integer variables num1, num2 initialized with 10, 21 respectively. Then we created a closure function sum with parameters "n1" and "n2". In the closure, we returned the addition of given parameters to the calling function.

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