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sivizius

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sivizius
·3 वर्ष पहले·discuss
For the record:

    let squares: Vec<_> = numbers.iter().filter(x => x >= 0).map(x => x * x).collect();
is not valid Rust, but this is:

    let squares: Vec<_> = numbers.iter().filter(|&&x| x >= 0).map(|x| x * x).collect();