Rust Programming Language/

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Solution Review: Defining Variables

Solution Review: Defining Variables

This lesson gives a detailed solution review of the challenge in the previous lesson.

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Solution:

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fn test() {
    // declare a mutable variable `x`
    let mut x = 1000;
    // declare a variable `y`
    let y="Programming";
    // print output of `x`
    println!("x:{}", x);
    // print output of `y`
    println!("y:{}", y);
    // update x
    x = 1100;
    // print output of `x`
    println!("x:{}", x);
    // print output of `y`
    println!("y:{}", y);
}

Explanation

  • On line 3, a mutable variable x is defined and assigned the
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