use std::vec::Vec;

fn main() {

    let collection_base = vec![(0, Err("oh no"))];
    let (good, bad) : (Vec<(usize, Result<&str, &str>)>, Vec<(usize, Result<&str, &str>)>) =
        collection_base
        .iter()
        .partition(|t| Result::is_ok(&t.1));

    let good_unwrap: Vec<&str> = good
        .into_iter()
        .map(|t| Result::unwrap(t.1))
        .collect();

    let bad_unwrap : Vec<String> = bad
        .into_iter()
        .map(|t| {
            format!(
                "Error #{}. Details: '{:#?}'",
                t.0,
                Result::unwrap_err(t.1)
            )
        })
        .collect();

    println!("Content of good_unwrap: {:#?}", good_unwrap);
    println!("Content of bad_unwrap: {:#?}", bad_unwrap);
}