Function repeat_with 

pub fn repeat_with<F>(n: usize, f: F) -> RepeatWith<F>

Repeats n results of a closure.

Examples

use std::cell::Cell;

let counter = Cell::new(1);

let value = fmty::repeat_with(3, || {
    let result = counter.get();
    counter.set(result + 1);
    result
});

assert_eq!(value.to_string(), "123");