Function skip_while 

pub fn skip_while<T, F>(vec: Vec<T>, f: F) -> Vec<T>
where
    F: FnMut(&T) -> bool,

Skip elements while predicate is true

Example

let numbers = vec![1, 2, 3, 4, 5]
let big = skip_while(numbers, |x| x < 3)  // [3, 4, 5]