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Iterator Chain

Functional pipeline over a collection.

Difficulty: Intermediate · 9 Lines · License: public-domain

Time Left5:00
Score0
Auto PlayerNovaTiger551
fn main() {
    let numbers = vec![1, 2, 3, 4, 5, 6];
    let sum_of_squares: i32 = numbers
        .iter()
        .filter(|&&x| x % 2 == 0)
        .map(|&x| x * x)
        .sum();
    println!("sum of even squares: {}", sum_of_squares);
}
Time0:00
Speed (WPM)0.0
Accuracy100.0%
Mistakes0

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