Trait lib2::scroll_traits::Iterator
source · pub trait Iterator {
type Item;
Show 41 methods
// Required methods
fn next(&mut self) -> Option<Self::Item>;
fn size_hint(&self) -> (usize, Option<usize>);
fn count(self) -> usize
where Self: Sized;
fn last(self) -> Option<Self::Item>
where Self: Sized;
fn advance_by(&mut self, n: usize) -> Result<(), usize>;
fn nth(&mut self, n: usize) -> Option<Self::Item>;
fn step_by(self, step: usize) -> StepBy<Self>
where Self: Sized;
fn chain<U>(self, other: U) -> Chain<Self, U::IntoIter>
where Self: Sized,
U: IntoIterator<Item = Self::Item>;
fn zip<U>(self, other: U) -> Zip<Self, U::IntoIter>
where Self: Sized,
U: IntoIterator;
fn intersperse(self, separator: Self::Item) -> Intersperse<Self>
where Self: Sized,
Self::Item: Clone;
fn intersperse_with<G>(self, separator: G) -> IntersperseWith<Self, G>
where Self: Sized,
G: FnMut() -> Self::Item;
fn map<B, F>(self, f: F) -> Map<Self, F>
where Self: Sized,
F: FnMut(Self::Item) -> B;
fn for_each<F>(self, f: F)
where Self: Sized,
F: FnMut(Self::Item);
fn filter<P>(self, predicate: P) -> Filter<Self, P>
where Self: Sized,
P: FnMut(&Self::Item) -> bool;
fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F>
where Self: Sized,
F: FnMut(Self::Item) -> Option<B>;
fn enumerate(self) -> Enumerate<Self>
where Self: Sized;
fn peekable(self) -> Peekable<Self>
where Self: Sized;
fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
where Self: Sized,
P: FnMut(&Self::Item) -> bool;
fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
where Self: Sized,
P: FnMut(&Self::Item) -> bool;
fn map_while<B, P>(self, predicate: P) -> MapWhile<Self, P>
where Self: Sized,
P: FnMut(Self::Item) -> Option<B>;
fn skip(self, n: usize) -> Skip<Self>
where Self: Sized;
fn take(self, n: usize) -> Take<Self>
where Self: Sized;
fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F>
where Self: Sized,
F: FnMut(&mut St, Self::Item) -> Option<B>;
fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>
where Self: Sized,
U: IntoIterator,
F: FnMut(Self::Item) -> U;
fn flatten(self) -> Flatten<Self>
where Self: Sized,
Self::Item: IntoIterator;
fn fuse(self) -> Fuse<Self>
where Self: Sized;
fn inspect<F>(self, f: F) -> Inspect<Self, F>
where Self: Sized,
F: FnMut(&Self::Item);
fn by_ref(&mut self) -> &mut Self
where Self: Sized;
fn collect<B: FromIterator<Self::Item>>(self) -> B
where Self: Sized;
fn collect_into<E: Extend<Self::Item>>(self, collection: &mut E) -> &mut E
where Self: Sized;
fn partition<B, F>(self, f: F) -> (B, B)
where Self: Sized,
B: Default + Extend<Self::Item>,
F: FnMut(&Self::Item) -> bool;
fn partition_in_place<'a, T: 'a, P>(self, predicate: P) -> usize
where Self: Sized + DoubleEndedIterator<Item = &'a mut T>,
P: FnMut(&T) -> bool;
fn is_partitioned<P>(self, predicate: P) -> bool
where Self: Sized,
P: FnMut(Self::Item) -> bool;
fn fold<B, F>(self, init: B, f: F) -> B
where Self: Sized,
F: FnMut(B, Self::Item) -> B;
fn reduce<F>(self, f: F) -> Option<Self::Item>
where Self: Sized,
F: FnMut(Self::Item, Self::Item) -> Self::Item;
fn all<F>(&mut self, f: F) -> bool
where Self: Sized,
F: FnMut(Self::Item) -> bool;
fn any<F>(&mut self, f: F) -> bool
where Self: Sized,
F: FnMut(Self::Item) -> bool;
fn find<P>(&mut self, predicate: P) -> Option<Self::Item>
where Self: Sized,
P: FnMut(&Self::Item) -> bool;
fn find_map<B, F>(&mut self, f: F) -> Option<B>
where Self: Sized,
F: FnMut(Self::Item) -> Option<B>;
fn position<P>(&mut self, predicate: P) -> Option<usize>
where Self: Sized,
P: FnMut(Self::Item) -> bool;
fn this_is_a_method_with_a_long_name_returning_something() -> String;
}
Expand description
Shamelessly (partially) copied from std::iter::Iterator
.
It allows us to check that the scroll is working as expected on “hidden” items.
Required Associated Types§
Required Methods§
fn next(&mut self) -> Option<Self::Item>
fn size_hint(&self) -> (usize, Option<usize>)
fn count(self) -> usizewhere Self: Sized,
fn last(self) -> Option<Self::Item>where Self: Sized,
fn advance_by(&mut self, n: usize) -> Result<(), usize>
fn nth(&mut self, n: usize) -> Option<Self::Item>
fn step_by(self, step: usize) -> StepBy<Self>where Self: Sized,
fn chain<U>(self, other: U) -> Chain<Self, U::IntoIter>where Self: Sized, U: IntoIterator<Item = Self::Item>,
fn zip<U>(self, other: U) -> Zip<Self, U::IntoIter>where Self: Sized, U: IntoIterator,
fn intersperse(self, separator: Self::Item) -> Intersperse<Self>where Self: Sized, Self::Item: Clone,
fn intersperse_with<G>(self, separator: G) -> IntersperseWith<Self, G>where Self: Sized, G: FnMut() -> Self::Item,
fn map<B, F>(self, f: F) -> Map<Self, F>where Self: Sized, F: FnMut(Self::Item) -> B,
fn for_each<F>(self, f: F)where Self: Sized, F: FnMut(Self::Item),
fn filter<P>(self, predicate: P) -> Filter<Self, P>where Self: Sized, P: FnMut(&Self::Item) -> bool,
fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F>where Self: Sized, F: FnMut(Self::Item) -> Option<B>,
fn enumerate(self) -> Enumerate<Self>where Self: Sized,
fn peekable(self) -> Peekable<Self>where Self: Sized,
fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>where Self: Sized, P: FnMut(&Self::Item) -> bool,
fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>where Self: Sized, P: FnMut(&Self::Item) -> bool,
fn map_while<B, P>(self, predicate: P) -> MapWhile<Self, P>where Self: Sized, P: FnMut(Self::Item) -> Option<B>,
fn skip(self, n: usize) -> Skip<Self>where Self: Sized,
fn take(self, n: usize) -> Take<Self>where Self: Sized,
fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F>where Self: Sized, F: FnMut(&mut St, Self::Item) -> Option<B>,
fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>where Self: Sized, U: IntoIterator, F: FnMut(Self::Item) -> U,
fn flatten(self) -> Flatten<Self>where Self: Sized, Self::Item: IntoIterator,
fn fuse(self) -> Fuse<Self>where Self: Sized,
fn inspect<F>(self, f: F) -> Inspect<Self, F>where Self: Sized, F: FnMut(&Self::Item),
fn by_ref(&mut self) -> &mut Selfwhere Self: Sized,
fn collect<B: FromIterator<Self::Item>>(self) -> Bwhere Self: Sized,
fn collect_into<E: Extend<Self::Item>>(self, collection: &mut E) -> &mut Ewhere Self: Sized,
fn partition<B, F>(self, f: F) -> (B, B)where Self: Sized, B: Default + Extend<Self::Item>, F: FnMut(&Self::Item) -> bool,
fn partition_in_place<'a, T: 'a, P>(self, predicate: P) -> usizewhere Self: Sized + DoubleEndedIterator<Item = &'a mut T>, P: FnMut(&T) -> bool,
fn is_partitioned<P>(self, predicate: P) -> boolwhere Self: Sized, P: FnMut(Self::Item) -> bool,
fn fold<B, F>(self, init: B, f: F) -> Bwhere Self: Sized, F: FnMut(B, Self::Item) -> B,
fn reduce<F>(self, f: F) -> Option<Self::Item>where Self: Sized, F: FnMut(Self::Item, Self::Item) -> Self::Item,
fn all<F>(&mut self, f: F) -> boolwhere Self: Sized, F: FnMut(Self::Item) -> bool,
fn any<F>(&mut self, f: F) -> boolwhere Self: Sized, F: FnMut(Self::Item) -> bool,
fn find<P>(&mut self, predicate: P) -> Option<Self::Item>where Self: Sized, P: FnMut(&Self::Item) -> bool,
fn find_map<B, F>(&mut self, f: F) -> Option<B>where Self: Sized, F: FnMut(Self::Item) -> Option<B>,
fn position<P>(&mut self, predicate: P) -> Option<usize>where Self: Sized, P: FnMut(Self::Item) -> bool,
sourcefn this_is_a_method_with_a_long_name_returning_something() -> String
fn this_is_a_method_with_a_long_name_returning_something() -> String
We will scroll to “string” to ensure it scrolls as expected.