Split string into iterator

---

• split method returning an iterator called Split.

• split_whitespace method returning an iterator called SplitWhitespace.

examples/vectors/split-string-into-iterator/src/main.rs

fn main() {
    let text = String::from("mouse cat   oliphant");
    println!("{text}");

    let parts = text.split(' ');
    //println!("{:?}", parts);
    for part in parts {
        println!("{}", part);
    }
    println!("-------");

    let parts = text.split_whitespace();
    //println!("{:?}", parts);
    for part in parts {
        println!("{}", part);
    }


    //println!("{}", parts[0]); // cannot index into a value of type `SplitWhitespace<'_>`

}

mouse cat   oliphant
mouse
cat


oliphant
-------
mouse
cat
oliphant