File: range.rs

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rust-generator 0.7.1-1.1
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use generator::{done, Gn};

fn main() {
    let n = 100000;
    let range = Gn::new_scoped(move |mut s| {
        let mut num = 0;
        while num < n {
            s.yield_(num);
            num += 1;
        }
        done!();
    });

    let sum: usize = range.sum();
    println!("sum ={}", sum);
}