println!("{}", power(3));
//
fn power(x: u32) -> i32 {
10_i32.pow(x)
}
Compiling sample v0.1.0 (/home/vagrant/dev/rust/sample)
Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
Running `target/debug/sample`
1000
