On Tue, Sep 24, 2013 at 8:37 PM, Tim Kuehn <tku...@cmu.edu> wrote:
> There's also std::iter::AdditiveIterator.
>
> fn average<T: Num + NumCast + Clone>(values: &[T]) -> T {
> let sum = values.iter().map(|n| n.clone()).sum();
> sum / num::cast(values.len())
> }
>
Using `iter().fold(Zero::zero(), |a, b| a + *b)` would be a lot more
efficient for big integers. I'm not sure if we should really have the
`sum`, `product`, `max` and `min` methods.
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