Method extend

utils/src/extend_some.rs:24–26

(&mut self, iter: I)

impl<T, C: Extend<T>> Extend<Option<T>> for ExtendSome<C> {
    fn extend<I: IntoIterator<Item = Option<T>>>(&mut self, iter: I) {
        self.0.extend(iter.into_iter().flatten());
    }
}

impl<T, C: Default + FromIterator<T>> FromIterator<Option<T>> for ExtendSome<C> {