// functions1.rs
// Execute `rustlings hint functions1` or use the `hint` watch subcommand for a hint.

// I AM NOT DONE

fn main() {
    call_me();
}

// functions2.rs
// Execute `rustlings hint functions2` or use the `hint` watch subcommand for a hint.

// I AM NOT DONE

fn main() {
    call_me(3);
}

fn call_me(num:) {
    for i in 0..num {
        println!("Ring! Call number {}", i + 1);
    }
}

// functions3.rs
// Execute `rustlings hint functions3` or use the `hint` watch subcommand for a hint.

// I AM NOT DONE

fn main() {
    call_me();
}

fn call_me(num: u32) {
    for i in 0..num {
        println!("Ring! Call number {}", i + 1);
    }
}

// functions4.rs
// Execute `rustlings hint functions4` or use the `hint` watch subcommand for a hint.

// This store is having a sale where if the price is an even number, you get
// 10 Rustbucks off, but if it's an odd number, it's 3 Rustbucks off.
// (Don't worry about the function bodies themselves, we're only interested
// in the signatures for now. If anything, this is a good way to peek ahead
// to future exercises!)

// I AM NOT DONE

fn main() {
    let original_price = 51;
    println!("Your sale price is {}", sale_price(original_price));
}

fn sale_price(price: i32) -> {
    if is_even(price) {
        price - 10
    } else {
        price - 3
    }
}

fn is_even(num: i32) -> bool {
    num % 2 == 0
}

// functions5.rs
// Execute `rustlings hint functions5` or use the `hint` watch subcommand for a hint.

// I AM NOT DONE

fn main() {
    let answer = square(3);
    println!("The square of 3 is {}", answer);
}

fn square(num: i32) -> i32 {
    num * num;
}