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double_ended_iterator.expanded.rs
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double_ended_iterator.expanded.rs
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use iter_enum::*;
enum Enum<A, B> {
A(A),
B(B),
}
impl<A, B> ::core::iter::DoubleEndedIterator for Enum<A, B>
where
A: ::core::iter::DoubleEndedIterator,
B: ::core::iter::DoubleEndedIterator<Item = <A as ::core::iter::Iterator>::Item>,
{
#[inline]
fn next_back(&mut self) -> ::core::option::Option<Self::Item> {
match self {
Enum::A(x) => <A as ::core::iter::DoubleEndedIterator>::next_back(x),
Enum::B(x) => <B as ::core::iter::DoubleEndedIterator>::next_back(x),
}
}
#[inline]
fn nth_back(&mut self, n: usize) -> ::core::option::Option<Self::Item> {
match self {
Enum::A(x) => <A as ::core::iter::DoubleEndedIterator>::nth_back(x, n),
Enum::B(x) => <B as ::core::iter::DoubleEndedIterator>::nth_back(x, n),
}
}
#[inline]
fn rfold<__U, __F>(self, init: __U, f: __F) -> __U
where
__F: ::core::ops::FnMut(__U, Self::Item) -> __U,
{
match self {
Enum::A(x) => <A as ::core::iter::DoubleEndedIterator>::rfold(x, init, f),
Enum::B(x) => <B as ::core::iter::DoubleEndedIterator>::rfold(x, init, f),
}
}
#[inline]
fn rfind<__P>(&mut self, predicate: __P) -> ::core::option::Option<Self::Item>
where
__P: ::core::ops::FnMut(&Self::Item) -> bool,
{
match self {
Enum::A(x) => <A as ::core::iter::DoubleEndedIterator>::rfind(x, predicate),
Enum::B(x) => <B as ::core::iter::DoubleEndedIterator>::rfind(x, predicate),
}
}
}
fn main() {}