01.variables

variables1.rs

// variables1.rs
//
// Make me compile!
//
// Execute `rustlings hint variables1` or use the `hint` watch subcommand for a
// hint.


fn main() {
    let x = 5;
    println!("x has the value {}", x);
}

variables2.rs

Github solution link

// variables2.rs
//
// Execute `rustlings hint variables2` or use the `hint` watch subcommand for a
// hint.


fn main() {
    let x : i32 = 10;
    if x == 10 {
        println!("x is ten!");
    } else {
        println!("x is not ten!");
    }
}

variables3.rs

Github solution link

// variables3.rs
//
// Execute `rustlings hint variables3` or use the `hint` watch subcommand for a
// hint.


fn main() {
    let x: i32 = 42;
    println!("Number {}", x);
}

variables4.rs

Github solution link

// variables4.rs
//
// Execute `rustlings hint variables4` or use the `hint` watch subcommand for a
// hint.


fn main() {
    let mut x = 3;
    println!("Number {}", x);
    x = 5; // don't change this line
    println!("Number {}", x);
}

variables5.rs

Github solution link

// variables5.rs
//
// Execute `rustlings hint variables5` or use the `hint` watch subcommand for a
// hint.


fn main() {
    let number = "T-H-R-E-E"; // don't change this line
    println!("Spell a Number : {}", number);
    let number = 3; // don't rename this variable
    println!("Number plus two is : {}", number + 2);
}

variables6.rs

Github solution link

// variables6.rs
//
// Execute `rustlings hint variables6` or use the `hint` watch subcommand for a
// hint.


const NUMBER: i32 = 3;
fn main() {
    println!("Number {}", NUMBER);
}