JS - Rust comparison

index.js

let startArr = [1, 2, 3, 4, 5]
let newArr = startArr.filter(n => n > 2) // -> [3, 4, 5]

let newStr = "foo bar"
let result = newStr.startsWith("foo") // -> true

main.rs

fn main() {
    let start_vec = vec![1, 2, 3, 4, 5];

    let new_vec: Vec<_> = start_vec.iter().filter(|&&n| { n > 2 }).collect();
    // -> [3, 4, 5]
    
    let new_str = "foo bar";
    let result = new_str.starts_with("foo"); // -> true
}