#![allow(unreachable_code)]


fn main() {
    println!("{:?}", {
        for a in 1i32..5 { println!("{}", a.pow(2)); }
    });
}


/* ~~~~=== stderr ===~~~~
   Compiling playground v0.0.1 (/playground)
    Finished dev [unoptimized + debuginfo] target(s) in 0.59s
     Running `target/debug/playground`

*/

/* ~~~~=== stdout ===~~~~
1
4
9
16
()

*/