fn main() {
    println!("{:?}", {
        fn foo() -> Result<Vec<i32>, i32> { let vec = (0..32).map(|n| if n % 17 != 0 { Ok(n) } else { Err(n) }).collect()?; vec }
    });
}


/* ~~~~=== stderr ===~~~~
   Compiling playground v0.0.1 (file:///playground)
error[E0284]: type annotations required: cannot resolve `<_ as std::ops::Try>::Ok == _`
 --> src/main.rs:5:55
  |
5 |         fn foo() -> Result<Vec<i32>, i32> { let vec = (0..32).map(|n| if n % 17 != 0 { Ok(n) } else { Err(n) }).collect()?; vec }
  |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0284`.
error: Could not compile `playground`.

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

*/

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

*/