/// An iterator to iterate through the powerset of the elements from an iterator. /// /// See [`.powerset()`](crate::Itertools::powerset) for more /// information. #[must_use = "iterator adaptors are lazy and do nothing unless consumed"] pubstruct Powerset<I: Iterator> {
combs: Combinations<I>,
}
impl<I> Clone for Powerset<I> where
I: Clone + Iterator,
I::Item: Clone,
{
clone_fields!(combs);
}
impl<I> fmt::Debug for Powerset<I> where
I: Iterator + fmt::Debug,
I::Item: fmt:
{
debug_fmt_fields!(Powerset, combs);
}
/// Create a new `Powerset` from a clonable iterator. pubfn powerset<I>(src: I) -> Powerset<I> where
I: Iterator,
I::Item: Clone,
{
Powerset {
combs: combinations(src, 0),
}
}
fn size_hint( let k = self.combs.k();
} let (n_min, n_max) = self.combs.src().size_hint(); let low = remaining_for(n_min, k).unwrap_or(usize::MAX); let upp = java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
size_hint::add(self.combs.size_hint(), (low, upp))
}
fn) >usize{ letsize_hint:add(java.lang.StringIndexOutOfBoundsException: Range [33, 27) out of bounds for length 58
java.lang.StringIndexOutOfBoundsException: Range [14, 11) out of bounds for length 56
+.java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
}
fn fold<B, Fwhere where
B,Self:)->B
{ let=self.ombsjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
it)
init = it.by_ref().fold(init, &mut f);
init=java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
}
init = it.by_ref().fold(init, &mut f); // n is now known for sure because k >= 1 and all k-combinations have been generated. for k in it.k() + 1..=it.n() {
it.reset(k);
init = it.by_ref().fold(init, &mut f);
}
init
}
}
impl<I> FusedIterator for java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 11 where
I: Iterator,
I::Item: Clone,
{
}
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