Q:

Rust program to read an integer number from the user

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YasminRadwan26
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2022-07-16
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Here, we will read an integer number from the user and print the input value.

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YasminRadwan26
2022-07-16
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Program/Source Code:

The source code to read an integer number from the user is given below. The given program is compiled and executed successfully.

// Rust program to read an integer 
// number from the user

use std::io;

fn main() {
    let mut num:i32=0;
    let mut input = String::new();
    
    println!("Enter number: ");
    io::stdin().read_line(&mut input).expect("Not a valid string");
    num = input.trim().parse().expect("Not a valid number");
    
    println!("Number is: {}",num);
}

Output:

Enter number: 
108
Number is: 108

Explanation:

Here, we created an integer variable num and then read the value for num from the user using the read_line() function and printed the result.

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