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559 B
559 B
stars
Instructions
Create a function named stars
that takes a u32
as an argument and returns a String
of stars (asterisks). The number of stars returned is 2^n (2 to the nth power).
Expected functions
pub fn stars(n: u32) -> String {
}
Usage
Here is a program to test your function.
use stars::stars;
fn main() {
println!("{}", stars(1));
println!("{}", stars(4));
println!("{}", stars(5));
}
And its output:
$ cargo run
**
****************
********************************
$