Struct iterable::LazyScan

#[must_use = "iterable adaptors are lazy and do nothing unless consumed"]pub struct LazyScan<S, I, F> { /* fields omitted */ }

Trait Implementations

impl<S: Clone, I: Clone, F: Clone> Clone for LazyScan<S, I, F>

fn clone(&self) -> LazyScan<S, I, F>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<S, I, F> Consumer for LazyScan<S, I, F> where
    S: Clone,
    I: Consumer,
    F: Fn(S, I::Item) -> S, 

type Item = S

type IntoIter = ScanIter<S, I::IntoIter, F>

fn consume(self) -> Self::IntoIter

impl<S: Debug, I: Debug, F: Debug> Debug for LazyScan<S, I, F>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<S, I, F> Iterable for LazyScan<S, I, F> where
    S: Clone,
    I: Iterable,
    F: Fn(S, I::Item) -> S, 

type C = I::CC

type CC = I::CC

type F = Self::C

type CF = Self::CC

fn count(self) -> usize where
    Self: Sized, 

fn last(self) -> Option<Self::Item> where
    Self: Sized, 

fn nth(self, n: usize) -> Option<Self::Item> where
    Self: Sized, 

fn step_by(self, step: usize) -> Self::C where
    Self: Sized,
    Self::C: Producer<Self::Item>, 

fn chain(self, other: impl Consumer<Item = Self::Item>) -> Self::C where
    Self: Sized,
    Self::C: Producer<Self::Item>, 

fn zip<E>(self, other: impl Consumer<Item = E>) -> Self::CC where
    Self: Sized,
    Self::CC: Producer<(Self::Item, E)>, 

fn map<U>(self, f: impl Fn(Self::Item) -> U) -> Self::CF where
    Self: Sized,
    Self::CF: Producer<U>, 

fn foreach(self, f: impl Fn(Self::Item)) where
    Self: Sized, 

fn filter(self, f: impl Fn(&Self::Item) -> bool) -> Self::C where
    Self: Sized,
    Self::C: Producer<Self::Item>, 

fn filter_map<U>(self, f: impl Fn(Self::Item) -> Option<U>) -> Self::CC where
    Self: Sized,
    Self::CC: Producer<U>, 

fn enumerate(self) -> Self::CF where
    Self: Sized,
    Self::CF: Producer<(usize, Self::Item)>, 

fn skip_while(self, f: impl Fn(&Self::Item) -> bool) -> Self::C where
    Self: Sized,
    Self::C: Producer<Self::Item>, 

fn take_while(self, f: impl Fn(&Self::Item) -> bool) -> Self::C where
    Self: Sized,
    Self::C: Producer<Self::Item>, 

fn map_while<U>(self, f: impl Fn(Self::Item) -> Option<U>) -> Self::CC where
    Self: Sized,
    Self::CC: Producer<U>, 

fn skip(self, n: usize) -> Self::C where
    Self: Sized,
    Self::C: Producer<Self::Item>, 

fn take(self, n: usize) -> Self::C where
    Self: Sized,
    Self::C: Producer<Self::Item>, 

fn scan<S>(self, state: S, f: impl Fn(S, Self::Item) -> S) -> Self::CC where
    S: Clone,
    Self: Sized,
    Self::CC: Producer<S>, 

fn flat_map<U>(self, f: impl Fn(Self::Item) -> U) -> Self::CC where
    U: Consumer,
    Self: Sized,
    Self::CC: Producer<U::Item>, 

fn flatten(self) -> Self::CC where
    Self: Sized,
    Self::Item: Consumer,
    Self::CC: Producer<<Self::Item as Consumer>::Item>, 

fn by_ref(&self) -> &Self

fn partition(self, f: impl Fn(&Self::Item) -> bool) -> (Self::C, Self::C) where
    Self: Sized,
    Self::C: GrowableProducer<Self::Item>, 

fn try_fold<S, R>(self, init: S, f: impl Fn(S, Self::Item) -> R) -> R where
    Self: Sized,
    R: Try<Ok = S>, 

fn try_for_each<R>(self, f: impl Fn(Self::Item) -> R) -> R where
    Self: Sized,
    R: Try<Ok = ()>, 

fn fold<S>(self, init: S, f: impl Fn(S, Self::Item) -> S) -> S where
    Self: Sized, 

fn all(self, f: impl Fn(Self::Item) -> bool) -> bool where
    Self: Sized, 

fn any(self, f: impl Fn(Self::Item) -> bool) -> bool where
    Self: Sized, 

fn find(self, f: impl Fn(&Self::Item) -> bool) -> Option<Self::Item> where
    Self: Sized, 

fn find_map<B>(self, f: impl Fn(Self::Item) -> Option<B>) -> Option<B> where
    Self: Sized, 

fn position(self, f: impl Fn(Self::Item) -> bool) -> Option<usize> where
    Self: Sized, 

fn rposition(self, f: impl Fn(Self::Item) -> bool) -> Option<usize> where
    Self: Sized,
    Self::IntoIter: ExactSizeIterator + DoubleEndedIterator, 

fn max(self) -> Option<Self::Item> where
    Self: Sized,
    Self::Item: Ord, 

fn min(self) -> Option<Self::Item> where
    Self: Sized,
    Self::Item: Ord, 

fn max_by_key<B>(self, f: impl Fn(&Self::Item) -> B) -> Option<Self::Item> where
    Self: Sized,
    B: Ord, 

fn max_by(
    self,
    f: impl Fn(&Self::Item, &Self::Item) -> Ordering
) -> Option<Self::Item> where
    Self: Sized, 

fn min_by_key<B>(self, f: impl Fn(&Self::Item) -> B) -> Option<Self::Item> where
    Self: Sized,
    B: Ord, 

fn min_by(
    self,
    f: impl Fn(&Self::Item, &Self::Item) -> Ordering
) -> Option<Self::Item> where
    Self: Sized, 

fn rev(self) -> Self::F where
    Self: Sized,
    Self::F: Producer<Self::Item>,
    Self::IntoIter: DoubleEndedIterator, 

fn unzip<A, B>(self) -> (Self::CF, Self::CF) where
    Self: Sized,
    Self: Consumer<Item = (A, B)>,
    Self::CF: GrowableProducer<A>,
    Self::CF: GrowableProducer<B>, 

fn copied<'a, T>(self) -> Self::CF where
    T: 'a + Copy,
    Self: Sized,
    Self: Consumer<Item = &'a T>,
    Self::CF: Producer<T>, 

fn cloned<'a, T>(self) -> Self::CF where
    T: 'a + Clone,
    Self: Sized,
    Self: Consumer<Item = &'a T>,
    Self::CF: Producer<T>, 

fn sum<S>(self) -> S where
    Self: Sized,
    S: Sum<Self::Item>, 

fn product<S>(self) -> S where
    Self: Sized,
    S: Product<Self::Item>, 

fn cmp<I>(self, other: I) -> Ordering where
    I: Consumer<Item = Self::Item>,
    Self: Sized,
    Self::Item: Ord, 

fn partial_cmp<I>(self, other: I) -> Option<Ordering> where
    I: Consumer,
    Self: Sized,
    Self::Item: PartialOrd<<I as Consumer>::Item>, 

fn eq<I>(self, other: I) -> bool where
    I: Consumer,
    Self: Sized,
    Self::Item: PartialEq<<I as Consumer>::Item>, 

fn ne<I>(self, other: I) -> bool where
    I: Consumer,
    Self: Sized,
    Self::Item: PartialEq<<I as Consumer>::Item>, 

fn lt<I>(self, other: I) -> bool where
    I: Consumer,
    Self: Sized,
    Self::Item: PartialOrd<<I as Consumer>::Item>, 

fn le<I>(self, other: I) -> bool where
    I: Consumer,
    Self: Sized,
    Self::Item: PartialOrd<<I as Consumer>::Item>, 

fn gt<I>(self, other: I) -> bool where
    I: Consumer,
    Self: Sized,
    Self::Item: PartialOrd<<I as Consumer>::Item>, 

fn ge<I>(self, other: I) -> bool where
    I: Consumer,
    Self: Sized,
    Self::Item: PartialOrd<<I as Consumer>::Item>, 

fn join(self, sep: &str) -> String where
    Self: Sized,
    Self::Item: Display, 

fn lazy_step_by(self, step: usize) -> LazyStepBy<Self> where
    Self: Sized, 

fn lazy_chain<C: Consumer>(self, c: C) -> LazyChain<Self, C> where
    Self: Sized, 

fn lazy_zip<C: Consumer>(self, c: C) -> LazyZip<Self, C> where
    Self: Sized, 

fn lazy_filter<F: Fn(&Self::Item) -> bool>(self, f: F) -> LazyFilter<Self, F> where
    Self: Sized, 

fn lazy_map<T, F: Fn(Self::Item) -> T>(self, f: F) -> LazyMap<Self, F> where
    Self: Sized, 

fn lazy_filter_map<T, F: Fn(Self::Item) -> Option<T>>(
    self,
    f: F
) -> LazyFilterMap<Self, F> where
    Self: Sized, 

fn lazy_enumerate(self) -> LazyEnumerate<Self> where
    Self: Sized, 

fn lazy_skip_while<F: Fn(&Self::Item) -> bool>(
    self,
    f: F
) -> LazySkipWhile<Self, F> where
    Self: Sized, 

fn lazy_map_while<T, F: Fn(Self::Item) -> Option<T>>(
    self,
    f: F
) -> LazyMapWhile<Self, F> where
    Self: Sized, 

fn lazy_skip(self, n: usize) -> LazySkip<Self> where
    Self: Sized, 

fn lazy_take(self, n: usize) -> LazyTake<Self> where
    Self: Sized, 

fn lazy_scan<S, F: Fn(S, Self::Item) -> S>(
    self,
    state: S,
    f: F
) -> LazyScan<S, Self, F> where
    Self: Sized, 

fn lazy_flat_map<T: Consumer, F: Fn(Self::Item) -> T>(
    self,
    f: F
) -> LazyFlatMap<Self, F> where
    Self: Sized, 

fn lazy_flatten(self) -> LazyFlatten<Self> where
    Self: Sized,
    Self::Item: Consumer, 

fn lazy_rev(self) -> LazyRev<Self> where
    Self: Sized,
    Self::IntoIter: DoubleEndedIterator, 

fn lazy_copied<'a, T>(self) -> LazyCopied<Self> where
    T: 'a + Copy,
    Self: Sized,
    Self: Consumer<Item = &'a T>, 

fn lazy_cloned<'a, T>(self) -> LazyCloned<Self> where
    T: 'a + Clone,
    Self: Sized,
    Self: Consumer<Item = &'a T>, 

fn lazy_cycle(self) -> LazyCycle<Self> where
    Self: Sized,
    Self::IntoIter: Clone,