#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(new_range_api)]
use core::range::Range;
fn main() {
    assert_eq!(Range::from(3..5), Range { start : 3, end : 5 });
    assert_eq!(3 + 4 + 5, Range::from(3..6).into_iter().sum());
}