1.0.0[][src]Struct std::iter::Scan

#[must_use = "iterators are lazy and do nothing unless consumed"]
pub struct Scan<I, St, F> { /* fields omitted */ }

An iterator to maintain state while iterating another iterator.

This struct is created by the scan method on Iterator. See its documentation for more.

Trait Implementations

impl<B, I, St, F> Iterator for Scan<I, St, F> where
    F: FnMut(&mut St, <I as Iterator>::Item) -> Option<B>,
    I: Iterator
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type Item = B

The type of the elements being iterated over.

impl<I, St, F> Debug for Scan<I, St, F> where
    I: Debug,
    St: Debug
1.9.0[src]

impl<I, St, F> Clone for Scan<I, St, F> where
    F: Clone,
    I: Clone,
    St: Clone
[src]

Auto Trait Implementations

impl<I, St, F> UnwindSafe for Scan<I, St, F> where
    F: UnwindSafe,
    I: UnwindSafe,
    St: UnwindSafe

impl<I, St, F> RefUnwindSafe for Scan<I, St, F> where
    F: RefUnwindSafe,
    I: RefUnwindSafe,
    St: RefUnwindSafe

impl<I, St, F> Unpin for Scan<I, St, F> where
    F: Unpin,
    I: Unpin,
    St: Unpin

impl<I, St, F> Send for Scan<I, St, F> where
    F: Send,
    I: Send,
    St: Send

impl<I, St, F> Sync for Scan<I, St, F> where
    F: Sync,
    I: Sync,
    St: Sync

Blanket Implementations

impl<T> From<T> for T[src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<I> IntoIterator for I where
    I: Iterator
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type Item = <I as Iterator>::Item

The type of the elements being iterated over.

type IntoIter = I

Which kind of iterator are we turning this into?

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> Borrow<T> for T where
    T: ?Sized
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impl<T> BorrowMut<T> for T where
    T: ?Sized
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impl<T> Any for T where
    T: 'static + ?Sized
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impl<T> ToOwned for T where
    T: Clone
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type Owned = T

The resulting type after obtaining ownership.