Code shared from the Rust Playground

playground.rs

#![allow(unreachable_code)]


fn main() {
    println!("{:?}", {
        { let a = [1, 2, 3, 4]; if a.len() > 3 { println!("{}", a[3] } }
    });
}


/* ~~~~=== stderr ===~~~~
   Compiling playground v0.0.1 (/playground)
error: incorrect close delimiter: `}`
 --> src/main.rs:6:70
  |
6 |         { let a = [1, 2, 3, 4]; if a.len() > 3 { println!("{}", a[3] } }
  |                                                -         -           ^ incorrect close delimiter
  |                                                |         |
  |                                                |         un-closed delimiter
  |                                                close delimiter possibly meant for this

error: aborting due to previous error

error: Could not compile `playground`.

To learn more, run the command again with --verbose.

*/

/* ~~~~=== stdout ===~~~~

*/