Struct ethstore::ethkey::brain_recover::PhrasesIterator
source · [−]pub struct PhrasesIterator { /* private fields */ }
Expand description
Iterator over possible
Implementations
sourceimpl PhrasesIterator
impl PhrasesIterator
pub fn from_known_phrase(
known_phrase: &str,
expected_words: usize
) -> PhrasesIteratorⓘNotable traits for PhrasesIteratorimpl Iterator for PhrasesIterator type Item = String;
pub fn new(words: Vec<Vec<&'static str, Global>, Global>) -> PhrasesIteratorⓘNotable traits for PhrasesIteratorimpl Iterator for PhrasesIterator type Item = String;
pub fn combinations(&self) -> u64
Trait Implementations
sourceimpl Iterator for PhrasesIterator
impl Iterator for PhrasesIterator
sourcepub fn next(&mut self) -> Option<String>
pub fn next(&mut self) -> Option<String>
Advances the iterator and returns the next value. Read more
1.0.0 · sourcefn size_hint(&self) -> (usize, Option<usize>)
fn size_hint(&self) -> (usize, Option<usize>)
Returns the bounds on the remaining length of the iterator. Read more
1.0.0 · sourcefn count(self) -> usize
fn count(self) -> usize
Consumes the iterator, counting the number of iterations and returning it. Read more
1.0.0 · sourcefn last(self) -> Option<Self::Item>
fn last(self) -> Option<Self::Item>
Consumes the iterator, returning the last element. Read more
sourcefn advance_by(&mut self, n: usize) -> Result<(), usize>
fn advance_by(&mut self, n: usize) -> Result<(), usize>
iter_advance_by
)Advances the iterator by n
elements. Read more
1.0.0 · sourcefn nth(&mut self, n: usize) -> Option<Self::Item>
fn nth(&mut self, n: usize) -> Option<Self::Item>
Returns the n
th element of the iterator. Read more
1.28.0 · sourcefn step_by(self, step: usize) -> StepBy<Self>
fn step_by(self, step: usize) -> StepBy<Self>
Creates an iterator starting at the same point, but stepping by the given amount at each iteration. Read more
1.0.0 · sourcefn chain<U>(self, other: U) -> Chain<Self, <U as IntoIterator>::IntoIter> where
U: IntoIterator<Item = Self::Item>,
fn chain<U>(self, other: U) -> Chain<Self, <U as IntoIterator>::IntoIter> where
U: IntoIterator<Item = Self::Item>,
Takes two iterators and creates a new iterator over both in sequence. Read more
1.0.0 · sourcefn zip<U>(self, other: U) -> Zip<Self, <U as IntoIterator>::IntoIter> where
U: IntoIterator,
fn zip<U>(self, other: U) -> Zip<Self, <U as IntoIterator>::IntoIter> where
U: IntoIterator,
‘Zips up’ two iterators into a single iterator of pairs. Read more
sourcefn intersperse(self, separator: Self::Item) -> Intersperse<Self> where
Self::Item: Clone,
fn intersperse(self, separator: Self::Item) -> Intersperse<Self> where
Self::Item: Clone,
iter_intersperse
)Creates a new iterator which places a copy of separator
between adjacent
items of the original iterator. Read more
sourcefn intersperse_with<G>(self, separator: G) -> IntersperseWith<Self, G> where
G: FnMut() -> Self::Item,
fn intersperse_with<G>(self, separator: G) -> IntersperseWith<Self, G> where
G: FnMut() -> Self::Item,
iter_intersperse
)Creates a new iterator which places an item generated by separator
between adjacent items of the original iterator. Read more
1.0.0 · sourcefn map<B, F>(self, f: F) -> Map<Self, F> where
F: FnMut(Self::Item) -> B,
fn map<B, F>(self, f: F) -> Map<Self, F> where
F: FnMut(Self::Item) -> B,
Takes a closure and creates an iterator which calls that closure on each element. Read more
1.21.0 · sourcefn for_each<F>(self, f: F) where
F: FnMut(Self::Item),
fn for_each<F>(self, f: F) where
F: FnMut(Self::Item),
Calls a closure on each element of an iterator. Read more
1.0.0 · sourcefn filter<P>(self, predicate: P) -> Filter<Self, P> where
P: FnMut(&Self::Item) -> bool,
fn filter<P>(self, predicate: P) -> Filter<Self, P> where
P: FnMut(&Self::Item) -> bool,
Creates an iterator which uses a closure to determine if an element should be yielded. Read more
1.0.0 · sourcefn filter_map<B, F>(self, f: F) -> FilterMap<Self, F> where
F: FnMut(Self::Item) -> Option<B>,
fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F> where
F: FnMut(Self::Item) -> Option<B>,
Creates an iterator that both filters and maps. Read more
1.0.0 · sourcefn enumerate(self) -> Enumerate<Self>
fn enumerate(self) -> Enumerate<Self>
Creates an iterator which gives the current iteration count as well as the next value. Read more
1.0.0 · sourcefn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P> where
P: FnMut(&Self::Item) -> bool,
fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P> where
P: FnMut(&Self::Item) -> bool,
1.0.0 · sourcefn take_while<P>(self, predicate: P) -> TakeWhile<Self, P> where
P: FnMut(&Self::Item) -> bool,
fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P> where
P: FnMut(&Self::Item) -> bool,
Creates an iterator that yields elements based on a predicate. Read more
1.57.0 · sourcefn map_while<B, P>(self, predicate: P) -> MapWhile<Self, P> where
P: FnMut(Self::Item) -> Option<B>,
fn map_while<B, P>(self, predicate: P) -> MapWhile<Self, P> where
P: FnMut(Self::Item) -> Option<B>,
Creates an iterator that both yields elements based on a predicate and maps. Read more
1.0.0 · sourcefn skip(self, n: usize) -> Skip<Self>
fn skip(self, n: usize) -> Skip<Self>
Creates an iterator that skips the first n
elements. Read more
1.0.0 · sourcefn take(self, n: usize) -> Take<Self>
fn take(self, n: usize) -> Take<Self>
Creates an iterator that yields the first n
elements, or fewer
if the underlying iterator ends sooner. Read more
1.0.0 · sourcefn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F> where
F: FnMut(&mut St, Self::Item) -> Option<B>,
fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F> where
F: FnMut(&mut St, Self::Item) -> Option<B>,
1.0.0 · sourcefn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where
U: IntoIterator,
F: FnMut(Self::Item) -> U,
fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where
U: IntoIterator,
F: FnMut(Self::Item) -> U,
Creates an iterator that works like map, but flattens nested structure. Read more
1.29.0 · sourcefn flatten(self) -> Flatten<Self> where
Self::Item: IntoIterator,
fn flatten(self) -> Flatten<Self> where
Self::Item: IntoIterator,
Creates an iterator that flattens nested structure. Read more
1.0.0 · sourcefn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnMut(&Self::Item),
fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnMut(&Self::Item),
Does something with each element of an iterator, passing the value on. Read more
1.0.0 · sourcefn by_ref(&mut self) -> &mut Self
fn by_ref(&mut self) -> &mut Self
Borrows an iterator, rather than consuming it. Read more
1.0.0 · sourcefn collect<B>(self) -> B where
B: FromIterator<Self::Item>,
fn collect<B>(self) -> B where
B: FromIterator<Self::Item>,
Transforms an iterator into a collection. Read more
sourcefn try_collect<B>(
&mut self
) -> <<Self::Item as Try>::Residual as Residual<B>>::TryType where
B: FromIterator<<Self::Item as Try>::Output>,
Self::Item: Try,
<Self::Item as Try>::Residual: Residual<B>,
fn try_collect<B>(
&mut self
) -> <<Self::Item as Try>::Residual as Residual<B>>::TryType where
B: FromIterator<<Self::Item as Try>::Output>,
Self::Item: Try,
<Self::Item as Try>::Residual: Residual<B>,
iterator_try_collect
)Fallibly transforms an iterator into a collection, short circuiting if a failure is encountered. Read more
1.0.0 · sourcefn partition<B, F>(self, f: F) -> (B, B) where
B: Default + Extend<Self::Item>,
F: FnMut(&Self::Item) -> bool,
fn partition<B, F>(self, f: F) -> (B, B) where
B: Default + Extend<Self::Item>,
F: FnMut(&Self::Item) -> bool,
Consumes an iterator, creating two collections from it. Read more
sourcefn partition_in_place<'a, T, P>(self, predicate: P) -> usize where
T: 'a,
Self: DoubleEndedIterator<Item = &'a mut T>,
P: FnMut(&T) -> bool,
fn partition_in_place<'a, T, P>(self, predicate: P) -> usize where
T: 'a,
Self: DoubleEndedIterator<Item = &'a mut T>,
P: FnMut(&T) -> bool,
iter_partition_in_place
)Reorders the elements of this iterator in-place according to the given predicate,
such that all those that return true
precede all those that return false
.
Returns the number of true
elements found. Read more
sourcefn is_partitioned<P>(self, predicate: P) -> bool where
P: FnMut(Self::Item) -> bool,
fn is_partitioned<P>(self, predicate: P) -> bool where
P: FnMut(Self::Item) -> bool,
iter_is_partitioned
)Checks if the elements of this iterator are partitioned according to the given predicate,
such that all those that return true
precede all those that return false
. Read more
1.27.0 · sourcefn try_fold<B, F, R>(&mut self, init: B, f: F) -> R where
F: FnMut(B, Self::Item) -> R,
R: Try<Output = B>,
fn try_fold<B, F, R>(&mut self, init: B, f: F) -> R where
F: FnMut(B, Self::Item) -> R,
R: Try<Output = B>,
An iterator method that applies a function as long as it returns successfully, producing a single, final value. Read more
1.27.0 · sourcefn try_for_each<F, R>(&mut self, f: F) -> R where
F: FnMut(Self::Item) -> R,
R: Try<Output = ()>,
fn try_for_each<F, R>(&mut self, f: F) -> R where
F: FnMut(Self::Item) -> R,
R: Try<Output = ()>,
An iterator method that applies a fallible function to each item in the iterator, stopping at the first error and returning that error. Read more
1.0.0 · sourcefn fold<B, F>(self, init: B, f: F) -> B where
F: FnMut(B, Self::Item) -> B,
fn fold<B, F>(self, init: B, f: F) -> B where
F: FnMut(B, Self::Item) -> B,
Folds every element into an accumulator by applying an operation, returning the final result. Read more
1.51.0 · sourcefn reduce<F>(self, f: F) -> Option<Self::Item> where
F: FnMut(Self::Item, Self::Item) -> Self::Item,
fn reduce<F>(self, f: F) -> Option<Self::Item> where
F: FnMut(Self::Item, Self::Item) -> Self::Item,
Reduces the elements to a single one, by repeatedly applying a reducing operation. Read more
sourcefn try_reduce<F, R>(
&mut self,
f: F
) -> <<R as Try>::Residual as Residual<Option<<R as Try>::Output>>>::TryType where
F: FnMut(Self::Item, Self::Item) -> R,
R: Try<Output = Self::Item>,
<R as Try>::Residual: Residual<Option<Self::Item>>,
fn try_reduce<F, R>(
&mut self,
f: F
) -> <<R as Try>::Residual as Residual<Option<<R as Try>::Output>>>::TryType where
F: FnMut(Self::Item, Self::Item) -> R,
R: Try<Output = Self::Item>,
<R as Try>::Residual: Residual<Option<Self::Item>>,
iterator_try_reduce
)Reduces the elements to a single one by repeatedly applying a reducing operation. If the closure returns a failure, the failure is propagated back to the caller immediately. Read more
1.0.0 · sourcefn all<F>(&mut self, f: F) -> bool where
F: FnMut(Self::Item) -> bool,
fn all<F>(&mut self, f: F) -> bool where
F: FnMut(Self::Item) -> bool,
Tests if every element of the iterator matches a predicate. Read more
1.0.0 · sourcefn any<F>(&mut self, f: F) -> bool where
F: FnMut(Self::Item) -> bool,
fn any<F>(&mut self, f: F) -> bool where
F: FnMut(Self::Item) -> bool,
Tests if any element of the iterator matches a predicate. Read more
1.0.0 · sourcefn find<P>(&mut self, predicate: P) -> Option<Self::Item> where
P: FnMut(&Self::Item) -> bool,
fn find<P>(&mut self, predicate: P) -> Option<Self::Item> where
P: FnMut(&Self::Item) -> bool,
Searches for an element of an iterator that satisfies a predicate. Read more
1.30.0 · sourcefn find_map<B, F>(&mut self, f: F) -> Option<B> where
F: FnMut(Self::Item) -> Option<B>,
fn find_map<B, F>(&mut self, f: F) -> Option<B> where
F: FnMut(Self::Item) -> Option<B>,
Applies function to the elements of iterator and returns the first non-none result. Read more
sourcefn try_find<F, R>(
&mut self,
f: F
) -> <<R as Try>::Residual as Residual<Option<Self::Item>>>::TryType where
F: FnMut(&Self::Item) -> R,
R: Try<Output = bool>,
<R as Try>::Residual: Residual<Option<Self::Item>>,
fn try_find<F, R>(
&mut self,
f: F
) -> <<R as Try>::Residual as Residual<Option<Self::Item>>>::TryType where
F: FnMut(&Self::Item) -> R,
R: Try<Output = bool>,
<R as Try>::Residual: Residual<Option<Self::Item>>,
try_find
)Applies function to the elements of iterator and returns the first true result or the first error. Read more
1.0.0 · sourcefn position<P>(&mut self, predicate: P) -> Option<usize> where
P: FnMut(Self::Item) -> bool,
fn position<P>(&mut self, predicate: P) -> Option<usize> where
P: FnMut(Self::Item) -> bool,
Searches for an element in an iterator, returning its index. Read more
1.0.0 · sourcefn rposition<P>(&mut self, predicate: P) -> Option<usize> where
P: FnMut(Self::Item) -> bool,
Self: ExactSizeIterator + DoubleEndedIterator,
fn rposition<P>(&mut self, predicate: P) -> Option<usize> where
P: FnMut(Self::Item) -> bool,
Self: ExactSizeIterator + DoubleEndedIterator,
Searches for an element in an iterator from the right, returning its index. Read more
1.0.0 · sourcefn max(self) -> Option<Self::Item> where
Self::Item: Ord,
fn max(self) -> Option<Self::Item> where
Self::Item: Ord,
Returns the maximum element of an iterator. Read more
1.0.0 · sourcefn min(self) -> Option<Self::Item> where
Self::Item: Ord,
fn min(self) -> Option<Self::Item> where
Self::Item: Ord,
Returns the minimum element of an iterator. Read more
1.6.0 · sourcefn max_by_key<B, F>(self, f: F) -> Option<Self::Item> where
B: Ord,
F: FnMut(&Self::Item) -> B,
fn max_by_key<B, F>(self, f: F) -> Option<Self::Item> where
B: Ord,
F: FnMut(&Self::Item) -> B,
Returns the element that gives the maximum value from the specified function. Read more
1.15.0 · sourcefn max_by<F>(self, compare: F) -> Option<Self::Item> where
F: FnMut(&Self::Item, &Self::Item) -> Ordering,
fn max_by<F>(self, compare: F) -> Option<Self::Item> where
F: FnMut(&Self::Item, &Self::Item) -> Ordering,
Returns the element that gives the maximum value with respect to the specified comparison function. Read more
1.6.0 · sourcefn min_by_key<B, F>(self, f: F) -> Option<Self::Item> where
B: Ord,
F: FnMut(&Self::Item) -> B,
fn min_by_key<B, F>(self, f: F) -> Option<Self::Item> where
B: Ord,
F: FnMut(&Self::Item) -> B,
Returns the element that gives the minimum value from the specified function. Read more
1.15.0 · sourcefn min_by<F>(self, compare: F) -> Option<Self::Item> where
F: FnMut(&Self::Item, &Self::Item) -> Ordering,
fn min_by<F>(self, compare: F) -> Option<Self::Item> where
F: FnMut(&Self::Item, &Self::Item) -> Ordering,
Returns the element that gives the minimum value with respect to the specified comparison function. Read more
1.0.0 · sourcefn rev(self) -> Rev<Self> where
Self: DoubleEndedIterator,
fn rev(self) -> Rev<Self> where
Self: DoubleEndedIterator,
Reverses an iterator’s direction. Read more
1.0.0 · sourcefn unzip<A, B, FromA, FromB>(self) -> (FromA, FromB) where
FromA: Default + Extend<A>,
FromB: Default + Extend<B>,
Self: Iterator<Item = (A, B)>,
fn unzip<A, B, FromA, FromB>(self) -> (FromA, FromB) where
FromA: Default + Extend<A>,
FromB: Default + Extend<B>,
Self: Iterator<Item = (A, B)>,
Converts an iterator of pairs into a pair of containers. Read more
1.36.0 · sourcefn copied<'a, T>(self) -> Copied<Self> where
T: 'a + Copy,
Self: Iterator<Item = &'a T>,
fn copied<'a, T>(self) -> Copied<Self> where
T: 'a + Copy,
Self: Iterator<Item = &'a T>,
Creates an iterator which copies all of its elements. Read more
1.0.0 · sourcefn cloned<'a, T>(self) -> Cloned<Self> where
T: 'a + Clone,
Self: Iterator<Item = &'a T>,
fn cloned<'a, T>(self) -> Cloned<Self> where
T: 'a + Clone,
Self: Iterator<Item = &'a T>,
1.0.0 · sourcefn cycle(self) -> Cycle<Self> where
Self: Clone,
fn cycle(self) -> Cycle<Self> where
Self: Clone,
Repeats an iterator endlessly. Read more
1.11.0 · sourcefn sum<S>(self) -> S where
S: Sum<Self::Item>,
fn sum<S>(self) -> S where
S: Sum<Self::Item>,
Sums the elements of an iterator. Read more
1.11.0 · sourcefn product<P>(self) -> P where
P: Product<Self::Item>,
fn product<P>(self) -> P where
P: Product<Self::Item>,
Iterates over the entire iterator, multiplying all the elements Read more
1.5.0 · sourcefn cmp<I>(self, other: I) -> Ordering where
I: IntoIterator<Item = Self::Item>,
Self::Item: Ord,
fn cmp<I>(self, other: I) -> Ordering where
I: IntoIterator<Item = Self::Item>,
Self::Item: Ord,
Lexicographically compares the elements of this Iterator
with those
of another. Read more
sourcefn cmp_by<I, F>(self, other: I, cmp: F) -> Ordering where
I: IntoIterator,
F: FnMut(Self::Item, <I as IntoIterator>::Item) -> Ordering,
fn cmp_by<I, F>(self, other: I, cmp: F) -> Ordering where
I: IntoIterator,
F: FnMut(Self::Item, <I as IntoIterator>::Item) -> Ordering,
iter_order_by
)Lexicographically compares the elements of this Iterator
with those
of another with respect to the specified comparison function. Read more
1.5.0 · sourcefn partial_cmp<I>(self, other: I) -> Option<Ordering> where
I: IntoIterator,
Self::Item: PartialOrd<<I as IntoIterator>::Item>,
fn partial_cmp<I>(self, other: I) -> Option<Ordering> where
I: IntoIterator,
Self::Item: PartialOrd<<I as IntoIterator>::Item>,
Lexicographically compares the elements of this Iterator
with those
of another. Read more
sourcefn partial_cmp_by<I, F>(self, other: I, partial_cmp: F) -> Option<Ordering> where
I: IntoIterator,
F: FnMut(Self::Item, <I as IntoIterator>::Item) -> Option<Ordering>,
fn partial_cmp_by<I, F>(self, other: I, partial_cmp: F) -> Option<Ordering> where
I: IntoIterator,
F: FnMut(Self::Item, <I as IntoIterator>::Item) -> Option<Ordering>,
iter_order_by
)Lexicographically compares the elements of this Iterator
with those
of another with respect to the specified comparison function. Read more
1.5.0 · sourcefn eq<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialEq<<I as IntoIterator>::Item>,
fn eq<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialEq<<I as IntoIterator>::Item>,
sourcefn eq_by<I, F>(self, other: I, eq: F) -> bool where
I: IntoIterator,
F: FnMut(Self::Item, <I as IntoIterator>::Item) -> bool,
fn eq_by<I, F>(self, other: I, eq: F) -> bool where
I: IntoIterator,
F: FnMut(Self::Item, <I as IntoIterator>::Item) -> bool,
iter_order_by
)1.5.0 · sourcefn ne<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialEq<<I as IntoIterator>::Item>,
fn ne<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialEq<<I as IntoIterator>::Item>,
1.5.0 · sourcefn lt<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialOrd<<I as IntoIterator>::Item>,
fn lt<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialOrd<<I as IntoIterator>::Item>,
Determines if the elements of this Iterator
are lexicographically
less than those of another. Read more
1.5.0 · sourcefn le<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialOrd<<I as IntoIterator>::Item>,
fn le<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialOrd<<I as IntoIterator>::Item>,
Determines if the elements of this Iterator
are lexicographically
less or equal to those of another. Read more
1.5.0 · sourcefn gt<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialOrd<<I as IntoIterator>::Item>,
fn gt<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialOrd<<I as IntoIterator>::Item>,
Determines if the elements of this Iterator
are lexicographically
greater than those of another. Read more
1.5.0 · sourcefn ge<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialOrd<<I as IntoIterator>::Item>,
fn ge<I>(self, other: I) -> bool where
I: IntoIterator,
Self::Item: PartialOrd<<I as IntoIterator>::Item>,
Determines if the elements of this Iterator
are lexicographically
greater than or equal to those of another. Read more
sourcefn is_sorted(self) -> bool where
Self::Item: PartialOrd<Self::Item>,
fn is_sorted(self) -> bool where
Self::Item: PartialOrd<Self::Item>,
is_sorted
)Checks if the elements of this iterator are sorted. Read more
sourcefn is_sorted_by<F>(self, compare: F) -> bool where
F: FnMut(&Self::Item, &Self::Item) -> Option<Ordering>,
fn is_sorted_by<F>(self, compare: F) -> bool where
F: FnMut(&Self::Item, &Self::Item) -> Option<Ordering>,
is_sorted
)Checks if the elements of this iterator are sorted using the given comparator function. Read more
sourcefn is_sorted_by_key<F, K>(self, f: F) -> bool where
F: FnMut(Self::Item) -> K,
K: PartialOrd<K>,
fn is_sorted_by_key<F, K>(self, f: F) -> bool where
F: FnMut(Self::Item) -> K,
K: PartialOrd<K>,
is_sorted
)Checks if the elements of this iterator are sorted using the given key extraction function. Read more
Auto Trait Implementations
impl RefUnwindSafe for PhrasesIterator
impl Send for PhrasesIterator
impl Sync for PhrasesIterator
impl Unpin for PhrasesIterator
impl UnwindSafe for PhrasesIterator
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<I> IntoIterator for I where
I: Iterator,
impl<I> IntoIterator for I where
I: Iterator,
sourceimpl<I> IteratorRandom for I where
I: Iterator,
impl<I> IteratorRandom for I where
I: Iterator,
sourcefn choose<R>(self, rng: &mut R) -> Option<Self::Item> where
R: Rng + ?Sized,
fn choose<R>(self, rng: &mut R) -> Option<Self::Item> where
R: Rng + ?Sized,
Choose one element at random from the iterator. Read more
sourceimpl<I> IteratorRandom for I where
I: Iterator,
impl<I> IteratorRandom for I where
I: Iterator,
sourcefn choose<R>(self, rng: &mut R) -> Option<Self::Item> where
R: Rng + ?Sized,
fn choose<R>(self, rng: &mut R) -> Option<Self::Item> where
R: Rng + ?Sized,
Choose one element at random from the iterator. If you have a slice,
it’s significantly faster to call the choose
or choose_mut
functions using the slice instead. Read more
sourceimpl<T> Itertools for T where
T: Iterator + ?Sized,
impl<T> Itertools for T where
T: Iterator + ?Sized,
sourcefn interleave<J>(
self,
other: J
) -> Interleave<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator<Item = Self::Item>,
fn interleave<J>(
self,
other: J
) -> Interleave<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator<Item = Self::Item>,
Alternate elements from two iterators until both run out. Read more
sourcefn interleave_shortest<J>(
self,
other: J
) -> InterleaveShortest<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator<Item = Self::Item>,
fn interleave_shortest<J>(
self,
other: J
) -> InterleaveShortest<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator<Item = Self::Item>,
Alternate elements from two iterators until one of them runs out. Read more
sourcefn intersperse(self, element: Self::Item) -> Intersperse<Self> where
Self::Item: Clone,
fn intersperse(self, element: Self::Item) -> Intersperse<Self> where
Self::Item: Clone,
An iterator adaptor to insert a particular value between each element of the adapted iterator. Read more
sourcefn zip_longest<J>(
self,
other: J
) -> ZipLongest<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator,
fn zip_longest<J>(
self,
other: J
) -> ZipLongest<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator,
Create an iterator which iterates over both this and the specified iterator simultaneously, yielding pairs of two optional elements. Read more
sourcefn zip_eq<J>(self, other: J) -> ZipEq<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator,
fn zip_eq<J>(self, other: J) -> ZipEq<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator,
Create an iterator which iterates over both this and the specified iterator simultaneously, yielding pairs of elements. Read more
sourcefn batching<B, F>(self, f: F) -> Batching<Self, F> where
F: FnMut(&mut Self) -> Option<B>,
fn batching<B, F>(self, f: F) -> Batching<Self, F> where
F: FnMut(&mut Self) -> Option<B>,
A “meta iterator adaptor”. Its closure recives a reference to the iterator and may pick off as many elements as it likes, to produce the next iterator element. Read more
sourcefn group_by<K, F>(self, key: F) -> GroupBy<K, Self, F> where
F: FnMut(&Self::Item) -> K,
fn group_by<K, F>(self, key: F) -> GroupBy<K, Self, F> where
F: FnMut(&Self::Item) -> K,
Return an iterable that can group iterator elements. Consecutive elements that map to the same key (“runs”), are assigned to the same group. Read more
sourcefn group_by_lazy<K, F>(self, key: F) -> GroupBy<K, Self, F> where
F: FnMut(&Self::Item) -> K,
fn group_by_lazy<K, F>(self, key: F) -> GroupBy<K, Self, F> where
F: FnMut(&Self::Item) -> K,
renamed to .group_by()
sourcefn chunks(self, size: usize) -> IntoChunks<Self>
fn chunks(self, size: usize) -> IntoChunks<Self>
Return an iterable that can chunk the iterator. Read more
sourcefn chunks_lazy(self, size: usize) -> IntoChunks<Self>
fn chunks_lazy(self, size: usize) -> IntoChunks<Self>
renamed to .chunks()
sourcefn tuple_windows<T>(self) -> TupleWindows<Self, T> where
Self: Iterator<Item = <T as TupleCollect>::Item>,
T: TupleCollect,
<T as TupleCollect>::Item: Clone,
fn tuple_windows<T>(self) -> TupleWindows<Self, T> where
Self: Iterator<Item = <T as TupleCollect>::Item>,
T: TupleCollect,
<T as TupleCollect>::Item: Clone,
Return an iterator over all contiguous windows producing tuples of a specific size (up to 4). Read more
sourcefn tuples<T>(self) -> Tuples<Self, T> where
Self: Iterator<Item = <T as TupleCollect>::Item>,
T: TupleCollect,
fn tuples<T>(self) -> Tuples<Self, T> where
Self: Iterator<Item = <T as TupleCollect>::Item>,
T: TupleCollect,
Return an iterator that groups the items in tuples of a specific size (up to 4). Read more
sourcefn tee(self) -> (Tee<Self>, Tee<Self>) where
Self::Item: Clone,
fn tee(self) -> (Tee<Self>, Tee<Self>) where
Self::Item: Clone,
Split into an iterator pair that both yield all elements from the original iterator. Read more
sourcefn step(self, n: usize) -> Step<Self>
fn step(self, n: usize) -> Step<Self>
Return an iterator adaptor that steps n
elements in the base iterator
for each iteration. Read more
sourcefn map_results<F, T, U, E>(self, f: F) -> MapResults<Self, F> where
Self: Iterator<Item = Result<T, E>>,
F: FnMut(T) -> U,
fn map_results<F, T, U, E>(self, f: F) -> MapResults<Self, F> where
Self: Iterator<Item = Result<T, E>>,
F: FnMut(T) -> U,
Return an iterator adaptor that applies the provided closure
to every Result::Ok
value. Result::Err
values are
unchanged. Read more
sourcefn merge<J>(self, other: J) -> Merge<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator<Item = Self::Item>,
Self::Item: PartialOrd<Self::Item>,
fn merge<J>(self, other: J) -> Merge<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator<Item = Self::Item>,
Self::Item: PartialOrd<Self::Item>,
Return an iterator adaptor that merges the two base iterators in ascending order. If both base iterators are sorted (ascending), the result is sorted. Read more
sourcefn merge_by<J, F>(
self,
other: J,
is_first: F
) -> MergeBy<Self, <J as IntoIterator>::IntoIter, F> where
J: IntoIterator<Item = Self::Item>,
F: FnMut(&Self::Item, &Self::Item) -> bool,
fn merge_by<J, F>(
self,
other: J,
is_first: F
) -> MergeBy<Self, <J as IntoIterator>::IntoIter, F> where
J: IntoIterator<Item = Self::Item>,
F: FnMut(&Self::Item, &Self::Item) -> bool,
Return an iterator adaptor that merges the two base iterators in order.
This is much like .merge()
but allows for a custom ordering. Read more
sourcefn kmerge(self) -> KMerge<<Self::Item as IntoIterator>::IntoIter> where
Self::Item: IntoIterator,
<Self::Item as IntoIterator>::Item: PartialOrd<<Self::Item as IntoIterator>::Item>,
fn kmerge(self) -> KMerge<<Self::Item as IntoIterator>::IntoIter> where
Self::Item: IntoIterator,
<Self::Item as IntoIterator>::Item: PartialOrd<<Self::Item as IntoIterator>::Item>,
Return an iterator adaptor that flattens an iterator of iterators by merging them in ascending order. Read more
sourcefn kmerge_by<F>(
self,
first: F
) -> KMergeBy<<Self::Item as IntoIterator>::IntoIter, F> where
F: FnMut(&<Self::Item as IntoIterator>::Item, &<Self::Item as IntoIterator>::Item) -> bool,
Self::Item: IntoIterator,
fn kmerge_by<F>(
self,
first: F
) -> KMergeBy<<Self::Item as IntoIterator>::IntoIter, F> where
F: FnMut(&<Self::Item as IntoIterator>::Item, &<Self::Item as IntoIterator>::Item) -> bool,
Self::Item: IntoIterator,
Return an iterator adaptor that flattens an iterator of iterators by merging them according to the given closure. Read more
sourcefn cartesian_product<J>(
self,
other: J
) -> Product<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator,
Self::Item: Clone,
<J as IntoIterator>::IntoIter: Clone,
fn cartesian_product<J>(
self,
other: J
) -> Product<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator,
Self::Item: Clone,
<J as IntoIterator>::IntoIter: Clone,
Return an iterator adaptor that iterates over the cartesian product of
the element sets of two iterators self
and J
. Read more
sourcefn coalesce<F>(self, f: F) -> Coalesce<Self, F> where
F: FnMut(Self::Item, Self::Item) -> Result<Self::Item, (Self::Item, Self::Item)>,
fn coalesce<F>(self, f: F) -> Coalesce<Self, F> where
F: FnMut(Self::Item, Self::Item) -> Result<Self::Item, (Self::Item, Self::Item)>,
Return an iterator adaptor that uses the passed-in closure to optionally merge together consecutive elements. Read more
sourcefn dedup(self) -> Dedup<Self> where
Self::Item: PartialEq<Self::Item>,
fn dedup(self) -> Dedup<Self> where
Self::Item: PartialEq<Self::Item>,
Remove duplicates from sections of consecutive identical elements. If the iterator is sorted, all elements will be unique. Read more
sourcefn unique(self) -> Unique<Self> where
Self::Item: Clone,
Self::Item: Eq,
Self::Item: Hash,
fn unique(self) -> Unique<Self> where
Self::Item: Clone,
Self::Item: Eq,
Self::Item: Hash,
Return an iterator adaptor that filters out elements that have already been produced once during the iteration. Duplicates are detected using hash and equality. Read more
sourcefn unique_by<V, F>(self, f: F) -> UniqueBy<Self, V, F> where
V: Eq + Hash,
F: FnMut(&Self::Item) -> V,
fn unique_by<V, F>(self, f: F) -> UniqueBy<Self, V, F> where
V: Eq + Hash,
F: FnMut(&Self::Item) -> V,
Return an iterator adaptor that filters out elements that have already been produced once during the iteration. Read more
sourcefn peeking_take_while<F>(&mut self, accept: F) -> PeekingTakeWhile<'_, Self, F> where
Self: PeekingNext,
F: FnMut(&Self::Item) -> bool,
fn peeking_take_while<F>(&mut self, accept: F) -> PeekingTakeWhile<'_, Self, F> where
Self: PeekingNext,
F: FnMut(&Self::Item) -> bool,
Return an iterator adaptor that borrows from this iterator and
takes items while the closure accept
returns true
. Read more
sourcefn take_while_ref<F>(&mut self, accept: F) -> TakeWhileRef<'_, Self, F> where
Self: Clone,
F: FnMut(&Self::Item) -> bool,
fn take_while_ref<F>(&mut self, accept: F) -> TakeWhileRef<'_, Self, F> where
Self: Clone,
F: FnMut(&Self::Item) -> bool,
Return an iterator adaptor that borrows from a Clone
-able iterator
to only pick off elements while the predicate accept
returns true
. Read more
sourcefn while_some<A>(self) -> WhileSome<Self> where
Self: Iterator<Item = Option<A>>,
fn while_some<A>(self) -> WhileSome<Self> where
Self: Iterator<Item = Option<A>>,
Return an iterator adaptor that filters Option<A>
iterator elements
and produces A
. Stops on the first None
encountered. Read more
sourcefn tuple_combinations<T>(self) -> TupleCombinations<Self, T> where
Self: Clone,
T: HasCombination<Self>,
Self::Item: Clone,
fn tuple_combinations<T>(self) -> TupleCombinations<Self, T> where
Self: Clone,
T: HasCombination<Self>,
Self::Item: Clone,
Return an iterator adaptor that iterates over the combinations of the elements from an iterator. Read more
sourcefn combinations(self, n: usize) -> Combinations<Self> where
Self::Item: Clone,
fn combinations(self, n: usize) -> Combinations<Self> where
Self::Item: Clone,
Return an iterator adaptor that iterates over the n
-length combinations of
the elements from an iterator. Read more
sourcefn pad_using<F>(self, min: usize, f: F) -> PadUsing<Self, F> where
F: FnMut(usize) -> Self::Item,
fn pad_using<F>(self, min: usize, f: F) -> PadUsing<Self, F> where
F: FnMut(usize) -> Self::Item,
Return an iterator adaptor that pads the sequence to a minimum length of
min
by filling missing elements using a closure f
. Read more
sourcefn flatten(self) -> Flatten<Self, <Self::Item as IntoIterator>::IntoIter> where
Self::Item: IntoIterator,
fn flatten(self) -> Flatten<Self, <Self::Item as IntoIterator>::IntoIter> where
Self::Item: IntoIterator,
Unravel a nested iterator. Read more
sourcefn with_position(self) -> WithPosition<Self>
fn with_position(self) -> WithPosition<Self>
Return an iterator adaptor that wraps each element in a Position
to
ease special-case handling of the first or last elements. Read more
sourcefn next_tuple<T>(&mut self) -> Option<T> where
Self: Iterator<Item = <T as TupleCollect>::Item>,
T: TupleCollect,
fn next_tuple<T>(&mut self) -> Option<T> where
Self: Iterator<Item = <T as TupleCollect>::Item>,
T: TupleCollect,
Advances the iterator and returns the next items grouped in a tuple of a specific size (up to 4). Read more
sourcefn find_position<P>(&mut self, pred: P) -> Option<(usize, Self::Item)> where
P: FnMut(&Self::Item) -> bool,
fn find_position<P>(&mut self, pred: P) -> Option<(usize, Self::Item)> where
P: FnMut(&Self::Item) -> bool,
Find the position and value of the first element satisfying a predicate. Read more
sourcefn dropping(self, n: usize) -> Self
fn dropping(self, n: usize) -> Self
Consume the first n
elements from the iterator eagerly,
and return the same iterator again. Read more
sourcefn dropping_back(self, n: usize) -> Self where
Self: DoubleEndedIterator,
fn dropping_back(self, n: usize) -> Self where
Self: DoubleEndedIterator,
Consume the last n
elements from the iterator eagerly,
and return the same iterator again. Read more
sourcefn foreach<F>(&mut self, f: F) where
F: FnMut(Self::Item),
fn foreach<F>(&mut self, f: F) where
F: FnMut(Self::Item),
Run the closure f
eagerly on each element of the iterator. Read more
sourcefn collect_vec(self) -> Vec<Self::Item, Global>
fn collect_vec(self) -> Vec<Self::Item, Global>
.collect_vec()
is simply a type specialization of .collect()
,
for convenience. Read more
sourcefn set_from<'a, A, J>(&mut self, from: J) -> usize where
A: 'a,
Self: Iterator<Item = &'a mut A>,
J: IntoIterator<Item = A>,
fn set_from<'a, A, J>(&mut self, from: J) -> usize where
A: 'a,
Self: Iterator<Item = &'a mut A>,
J: IntoIterator<Item = A>,
Assign to each reference in self
from the from
iterator,
stopping at the shortest of the two iterators. Read more
sourcefn join(&mut self, sep: &str) -> String where
Self::Item: Display,
fn join(&mut self, sep: &str) -> String where
Self::Item: Display,
Combine all iterator elements into one String, seperated by sep
. Read more
sourcefn format(self, sep: &str) -> Format<'_, Self>
fn format(self, sep: &str) -> Format<'_, Self>
Format all iterator elements, separated by sep
. Read more
sourcefn format_default(self, sep: &str) -> Format<'_, Self>
fn format_default(self, sep: &str) -> Format<'_, Self>
renamed to .format()
sourcefn format_with<F>(self, sep: &str, format: F) -> FormatWith<'_, Self, F> where
F: FnMut(Self::Item, &mut dyn FnMut(&dyn Display)) -> Result<(), Error>,
fn format_with<F>(self, sep: &str, format: F) -> FormatWith<'_, Self, F> where
F: FnMut(Self::Item, &mut dyn FnMut(&dyn Display)) -> Result<(), Error>,
Format all iterator elements, separated by sep
. Read more
sourcefn fold_results<A, E, B, F>(&mut self, start: B, f: F) -> Result<B, E> where
Self: Iterator<Item = Result<A, E>>,
F: FnMut(B, A) -> B,
fn fold_results<A, E, B, F>(&mut self, start: B, f: F) -> Result<B, E> where
Self: Iterator<Item = Result<A, E>>,
F: FnMut(B, A) -> B,
Fold Result
values from an iterator. Read more
sourcefn fold_options<A, B, F>(&mut self, start: B, f: F) -> Option<B> where
Self: Iterator<Item = Option<A>>,
F: FnMut(B, A) -> B,
fn fold_options<A, B, F>(&mut self, start: B, f: F) -> Option<B> where
Self: Iterator<Item = Option<A>>,
F: FnMut(B, A) -> B,
Fold Option
values from an iterator. Read more
sourcefn fold1<F>(&mut self, f: F) -> Option<Self::Item> where
F: FnMut(Self::Item, Self::Item) -> Self::Item,
fn fold1<F>(&mut self, f: F) -> Option<Self::Item> where
F: FnMut(Self::Item, Self::Item) -> Self::Item,
Accumulator of the elements in the iterator. Read more
sourcefn fold_while<B, F>(self, init: B, f: F) -> B where
F: FnMut(B, Self::Item) -> FoldWhile<B>,
fn fold_while<B, F>(self, init: B, f: F) -> B where
F: FnMut(B, Self::Item) -> FoldWhile<B>,
An iterator method that applies a function, producing a single, final value. Read more
sourcefn sorted(self) -> Vec<Self::Item, Global> where
Self::Item: Ord,
fn sorted(self) -> Vec<Self::Item, Global> where
Self::Item: Ord,
Collect all iterator elements into a sorted vector in ascending order. Read more
sourcefn sorted_by<F>(self, cmp: F) -> Vec<Self::Item, Global> where
F: FnMut(&Self::Item, &Self::Item) -> Ordering,
fn sorted_by<F>(self, cmp: F) -> Vec<Self::Item, Global> where
F: FnMut(&Self::Item, &Self::Item) -> Ordering,
Collect all iterator elements into a sorted vector. Read more
sourcefn partition_map<A, B, F, L, R>(self, predicate: F) -> (A, B) where
F: Fn(Self::Item) -> Either<L, R>,
A: Default + Extend<L>,
B: Default + Extend<R>,
fn partition_map<A, B, F, L, R>(self, predicate: F) -> (A, B) where
F: Fn(Self::Item) -> Either<L, R>,
A: Default + Extend<L>,
B: Default + Extend<R>,
Collect all iterator elements into one of two
partitions. Unlike Iterator::partition
, each partition may
have a distinct type. Read more
sourcefn minmax(self) -> MinMaxResult<Self::Item> where
Self::Item: PartialOrd<Self::Item>,
fn minmax(self) -> MinMaxResult<Self::Item> where
Self::Item: PartialOrd<Self::Item>,
Return the minimum and maximum elements in the iterator. Read more
sourcefn minmax_by_key<K, F>(self, key: F) -> MinMaxResult<Self::Item> where
K: PartialOrd<K>,
F: FnMut(&Self::Item) -> K,
fn minmax_by_key<K, F>(self, key: F) -> MinMaxResult<Self::Item> where
K: PartialOrd<K>,
F: FnMut(&Self::Item) -> K,
Return the minimum and maximum element of an iterator, as determined by the specified function. Read more