pub trait FusedIterator: Iterator { }Expand description
An iterator that always continues to yield None when exhausted.
Calling next on a fused iterator that has returned None once is guaranteed
to return None again. This trait should be implemented by all iterators
that behave this way because it allows optimizing Iterator::fuse().
Note: In general, you should not use FusedIterator in generic bounds if
you need a fused iterator. Instead, you should just call Iterator::fuse()
on the iterator. If the iterator is already fused, the additional Fuse
wrapper will be a no-op with no performance penalty.
Implementors§
impl FusedIterator for subsoil::keyring::ed25519::KeyringIter
impl FusedIterator for subsoil::keyring::sr25519::KeyringIter
impl FusedIterator for subsoil::std::str::Bytes<'_>
impl FusedIterator for CharIndices<'_>
impl FusedIterator for Chars<'_>
impl FusedIterator for EncodeUtf16<'_>
impl FusedIterator for Lines<'_>
impl FusedIterator for LinesAny<'_>
impl FusedIterator for SplitAsciiWhitespace<'_>
impl FusedIterator for SplitWhitespace<'_>
impl FusedIterator for Utf8Chunks<'_>
impl FusedIterator for alloc::string::Drain<'_>
impl FusedIterator for IntoChars
impl FusedIterator for core::ascii::EscapeDefault
impl FusedIterator for core::char::EscapeDebug
impl FusedIterator for core::char::EscapeDefault
impl FusedIterator for core::char::EscapeUnicode
impl FusedIterator for ToLowercase
impl FusedIterator for ToUppercase
impl FusedIterator for core::ffi::c_str::Bytes<'_>
impl FusedIterator for Incoming<'_>
impl FusedIterator for IntoIncoming
impl FusedIterator for Ancestors<'_>
impl FusedIterator for Components<'_>
impl FusedIterator for std::path::Iter<'_>
impl FusedIterator for regex_syntax::utf8::Utf8Sequences
impl FusedIterator for regex_syntax::utf8::Utf8Sequences
impl FusedIterator for regex::regexset::bytes::SetMatchesIntoIter
impl FusedIterator for regex::regexset::string::SetMatchesIntoIter
impl FusedIterator for secp256k1::ecdsa::serialized_signature::into_iter::IntoIter
impl<'a> FusedIterator for EscapeAscii<'a>
impl<'a> FusedIterator for subsoil::std::str::EscapeDebug<'a>
impl<'a> FusedIterator for subsoil::std::str::EscapeDefault<'a>
impl<'a> FusedIterator for subsoil::std::str::EscapeUnicode<'a>
impl<'a> FusedIterator for Source<'a>
impl<'a> FusedIterator for CapturesPatternIter<'a>
impl<'a> FusedIterator for GroupInfoPatternNames<'a>
impl<'a> FusedIterator for regex::regexset::bytes::SetMatchesIter<'a>
impl<'a> FusedIterator for regex::regexset::string::SetMatchesIter<'a>
impl<'a, 'h> FusedIterator for memchr::arch::x86_64::avx2::memchr::OneIter<'a, 'h>
impl<'a, 'h> FusedIterator for memchr::arch::x86_64::avx2::memchr::ThreeIter<'a, 'h>
impl<'a, 'h> FusedIterator for memchr::arch::x86_64::avx2::memchr::TwoIter<'a, 'h>
impl<'a, 'h> FusedIterator for memchr::arch::x86_64::sse2::memchr::OneIter<'a, 'h>
impl<'a, 'h> FusedIterator for memchr::arch::x86_64::sse2::memchr::ThreeIter<'a, 'h>
impl<'a, 'h> FusedIterator for memchr::arch::x86_64::sse2::memchr::TwoIter<'a, 'h>
impl<'a, I, T> FusedIterator for Cloned<I>
impl<'a, I, T> FusedIterator for Copied<I>
impl<'a, P> FusedIterator for MatchIndices<'a, P>where
P: Pattern,
impl<'a, P> FusedIterator for subsoil::std::str::Matches<'a, P>where
P: Pattern,
impl<'a, P> FusedIterator for RMatchIndices<'a, P>
impl<'a, P> FusedIterator for RMatches<'a, P>
impl<'a, P> FusedIterator for subsoil::std::str::RSplit<'a, P>
impl<'a, P> FusedIterator for subsoil::std::str::RSplitN<'a, P>
impl<'a, P> FusedIterator for RSplitTerminator<'a, P>
impl<'a, P> FusedIterator for subsoil::std::str::Split<'a, P>where
P: Pattern,
impl<'a, P> FusedIterator for subsoil::std::str::SplitInclusive<'a, P>where
P: Pattern,
impl<'a, P> FusedIterator for subsoil::std::str::SplitN<'a, P>where
P: Pattern,
impl<'a, P> FusedIterator for SplitTerminator<'a, P>where
P: Pattern,
impl<'a, T> FusedIterator for smallvec::Drain<'a, T>where
T: Array,
impl<'a, T> FusedIterator for ArrayVecDrain<'a, T>where
T: 'a + Default,
impl<'a, T, P> FusedIterator for ChunkBy<'a, T, P>
impl<'a, T, P> FusedIterator for ChunkByMut<'a, T, P>
impl<'a, T, P> FusedIterator for subsoil::std::slice::RSplitN<'a, T, P>
impl<'a, T, P> FusedIterator for RSplitNMut<'a, T, P>
impl<'a, T, P> FusedIterator for subsoil::std::slice::SplitN<'a, T, P>
impl<'a, T, P> FusedIterator for SplitNMut<'a, T, P>
impl<'c, 'h> FusedIterator for regex::regex::bytes::SubCaptureMatches<'c, 'h>
impl<'c, 'h> FusedIterator for regex::regex::string::SubCaptureMatches<'c, 'h>
impl<'h> FusedIterator for Memchr2<'h>
impl<'h> FusedIterator for Memchr3<'h>
impl<'h> FusedIterator for Memchr<'h>
impl<'p, 's, T> FusedIterator for SliceVecDrain<'p, 's, T>where
T: Default,
impl<'p, A, I> FusedIterator for ArrayVecSplice<'p, A, I>
impl<'p, A, I> FusedIterator for TinyVecSplice<'p, A, I>
impl<'r> FusedIterator for regex::regex::bytes::CaptureNames<'r>
impl<'r> FusedIterator for regex::regex::string::CaptureNames<'r>
impl<'r, 'h> FusedIterator for CapturesMatches<'r, 'h>
impl<'r, 'h> FusedIterator for FindMatches<'r, 'h>
impl<'r, 'h> FusedIterator for regex_automata::meta::regex::Split<'r, 'h>
impl<'r, 'h> FusedIterator for regex_automata::meta::regex::SplitN<'r, 'h>
impl<'r, 'h> FusedIterator for regex::regex::bytes::CaptureMatches<'r, 'h>
impl<'r, 'h> FusedIterator for regex::regex::bytes::Matches<'r, 'h>
impl<'r, 'h> FusedIterator for regex::regex::bytes::Split<'r, 'h>
impl<'r, 'h> FusedIterator for regex::regex::bytes::SplitN<'r, 'h>
impl<'r, 'h> FusedIterator for regex::regex::string::CaptureMatches<'r, 'h>
impl<'r, 'h> FusedIterator for regex::regex::string::Matches<'r, 'h>
impl<'r, 'h> FusedIterator for regex::regex::string::Split<'r, 'h>
impl<'r, 'h> FusedIterator for regex::regex::string::SplitN<'r, 'h>
impl<A> FusedIterator for TinyVecIterator<A>where
A: Array,
impl<A> FusedIterator for subsoil::std::ops::Range<A>where
A: Step,
impl<A> FusedIterator for RangeFrom<A>where
A: Step,
impl<A> FusedIterator for RangeInclusive<A>where
A: Step,
impl<A> FusedIterator for core::option::IntoIter<A>
impl<A> FusedIterator for core::option::Iter<'_, A>
impl<A> FusedIterator for core::option::IterMut<'_, A>
impl<A> FusedIterator for OptionFlatten<A>where
A: FusedIterator,
impl<A> FusedIterator for RangeFromIter<A>where
A: Step,
impl<A> FusedIterator for RangeInclusiveIter<A>where
A: Step,
impl<A> FusedIterator for RangeIter<A>where
A: Step,
impl<A> FusedIterator for itertools::repeatn::RepeatN<A>where
A: Clone,
impl<A> FusedIterator for itertools::repeatn::RepeatN<A>where
A: Clone,
impl<A> FusedIterator for smallvec::IntoIter<A>where
A: Array,
impl<A> FusedIterator for ArrayVecIterator<A>where
A: Array,
impl<A> FusedIterator for Repeat<A>where
A: Clone,
impl<A> FusedIterator for subsoil::std::iter::RepeatN<A>where
A: Clone,
impl<A, B> FusedIterator for Chain<A, B>
impl<A, B> FusedIterator for Zip<A, B>where
A: FusedIterator,
B: FusedIterator,
impl<A, F> FusedIterator for OnceWith<F>where
F: FnOnce() -> A,
impl<A, F> FusedIterator for RepeatWith<F>where
F: FnMut() -> A,
impl<A, I> FusedIterator for itertools::rciter_impl::RcIter<I>where
I: FusedIterator<Item = A>,
impl<A, I> FusedIterator for itertools::rciter_impl::RcIter<I>where
I: FusedIterator<Item = A>,
impl<AuthorityId> FusedIterator for subsoil::consensus::beefy::test_utils::KeyringIter<AuthorityId>
impl<B, I, F> FusedIterator for FilterMap<I, F>
impl<B, I, F> FusedIterator for Map<I, F>
impl<D, R, T> FusedIterator for DistIter<D, R, T>where
D: Distribution<T>,
R: Rng,
impl<I> FusedIterator for &mut Iwhere
I: FusedIterator + ?Sized,
impl<I> FusedIterator for DecodeUtf16<I>
impl<I> FusedIterator for BytesToHexIter<I>
impl<I> FusedIterator for itertools::combinations::Combinations<I>
impl<I> FusedIterator for itertools::combinations::Combinations<I>
impl<I> FusedIterator for itertools::combinations_with_replacement::CombinationsWithReplacement<I>
impl<I> FusedIterator for itertools::combinations_with_replacement::CombinationsWithReplacement<I>
impl<I> FusedIterator for itertools::powerset::Powerset<I>
impl<I> FusedIterator for itertools::powerset::Powerset<I>
impl<I> FusedIterator for Unique<I>
impl<I> FusedIterator for itertools::with_position::WithPosition<I>where
I: Iterator,
impl<I> FusedIterator for itertools::with_position::WithPosition<I>where
I: Iterator,
impl<I> FusedIterator for Decompositions<I>
impl<I> FusedIterator for Recompositions<I>
impl<I> FusedIterator for Replacements<I>
impl<I> FusedIterator for StreamSafe<I>
impl<I> FusedIterator for Cycle<I>
impl<I> FusedIterator for Enumerate<I>where
I: FusedIterator,
impl<I> FusedIterator for Fuse<I>where
I: Iterator,
impl<I> FusedIterator for Intersperse<I>
impl<I> FusedIterator for Peekable<I>where
I: FusedIterator,
impl<I> FusedIterator for Rev<I>where
I: FusedIterator + DoubleEndedIterator,
impl<I> FusedIterator for Skip<I>where
I: FusedIterator,
impl<I> FusedIterator for Take<I>where
I: FusedIterator,
impl<I, A> FusedIterator for subsoil::std::prelude::Box<I, A>
impl<I, A> FusedIterator for allocator_api2::stable::boxed::Box<I, A>
impl<I, ElemF> FusedIterator for itertools::intersperse::IntersperseWith<I, ElemF>
impl<I, ElemF> FusedIterator for itertools::intersperse::IntersperseWith<I, ElemF>
impl<I, F> FusedIterator for itertools::adaptors::Positions<I, F>
impl<I, F> FusedIterator for itertools::adaptors::Positions<I, F>
impl<I, F> FusedIterator for itertools::adaptors::Update<I, F>
impl<I, F> FusedIterator for itertools::adaptors::Update<I, F>
impl<I, F> FusedIterator for itertools::kmerge_impl::KMergeBy<I, F>
impl<I, F> FusedIterator for itertools::kmerge_impl::KMergeBy<I, F>
impl<I, F> FusedIterator for itertools::pad_tail::PadUsing<I, F>
impl<I, F> FusedIterator for itertools::pad_tail::PadUsing<I, F>
impl<I, F> FusedIterator for TakeWhileInclusive<'_, I, F>
impl<I, F> FusedIterator for Inspect<I, F>
impl<I, F, R, const N: usize> FusedIterator for MapWindows<I, F, N>
impl<I, F, T, E> FusedIterator for itertools::adaptors::FilterOk<I, F>
impl<I, F, T, E> FusedIterator for itertools::adaptors::FilterOk<I, F>
impl<I, F, T, U, E> FusedIterator for itertools::adaptors::FilterMapOk<I, F>
impl<I, F, T, U, E> FusedIterator for itertools::adaptors::FilterMapOk<I, F>
impl<I, G> FusedIterator for subsoil::std::iter::IntersperseWith<I, G>
impl<I, J> FusedIterator for itertools::adaptors::Interleave<I, J>
impl<I, J> FusedIterator for itertools::adaptors::Interleave<I, J>
impl<I, J> FusedIterator for itertools::adaptors::InterleaveShortest<I, J>
impl<I, J> FusedIterator for itertools::adaptors::InterleaveShortest<I, J>
impl<I, J> FusedIterator for itertools::adaptors::Product<I, J>
impl<I, J> FusedIterator for itertools::adaptors::Product<I, J>
impl<I, J, F> FusedIterator for itertools::adaptors::MergeBy<I, J, F>where
I: FusedIterator,
J: FusedIterator<Item = <I as Iterator>::Item>,
F: MergePredicate<<I as Iterator>::Item>,
impl<I, J, F> FusedIterator for itertools::adaptors::MergeBy<I, J, F>where
I: FusedIterator,
J: FusedIterator<Item = <I as Iterator>::Item>,
F: MergePredicate<<I as Iterator>::Item>,
impl<I, P> FusedIterator for Filter<I, P>
impl<I, P> FusedIterator for SkipWhile<I, P>
impl<I, P> FusedIterator for TakeWhile<I, P>
impl<I, T> FusedIterator for itertools::adaptors::TupleCombinations<I, T>where
I: FusedIterator,
T: HasCombination<I>,
impl<I, T> FusedIterator for itertools::adaptors::TupleCombinations<I, T>where
I: FusedIterator,
T: HasCombination<I>,
impl<I, T> FusedIterator for itertools::tuple_impl::TupleWindows<I, T>where
I: FusedIterator<Item = <T as TupleCollect>::Item>,
T: HomogeneousTuple + Clone,
<T as TupleCollect>::Item: Clone,
impl<I, T> FusedIterator for itertools::tuple_impl::TupleWindows<I, T>where
I: FusedIterator<Item = <T as TupleCollect>::Item>,
T: HomogeneousTuple + Clone,
<T as TupleCollect>::Item: Clone,
impl<I, T, E> FusedIterator for itertools::flatten_ok::FlattenOk<I, T, E>
Only the iterator being flattened needs to implement FusedIterator.
impl<I, T, E> FusedIterator for itertools::flatten_ok::FlattenOk<I, T, E>
Only the iterator being flattened needs to implement FusedIterator.