Struct daggy::walker::Filter

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pub struct Filter<G, W, P> { /* private fields */ }

Expand description

A walker that applies some given predicate to each element returned by its walker.

The only index pairs that will be yielded are those that make the predicate evaluate to true.

Implementations

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impl<G, W, P> Filter<G, W, P>

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pub fn new(walker: W, predicate: P) -> Self where
 G: GraphRef,
 W: Walker<G>,
 P: FnMut(G, &W::Item) -> bool,

Create a new Filter.

Trait Implementations

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impl<G: Clone, W: Clone, P: Clone> Clone for Filter<G, W, P>

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fn clone(&self) -> Filter<G, W, P>

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl<G: Debug, W: Debug, P: Debug> Debug for Filter<G, W, P>

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

Formats the value using the given formatter. Read more

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impl<G, W, P> Walker<G> for Filter<G, W, P> where
 G: GraphRef,
 W: Walker<G>,
 P: FnMut(G, &W::Item) -> bool,

type Item = <W as Walker<G>>::Item

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fn walk_next(&mut self, graph: G) -> Option<Self::Item>

Advance to the next item

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fn iter(self, context: Context) -> WalkerIter<Self, Context> where
Context: Clone,

Create an iterator out of the walker and given context.

Auto Trait Implementations

impl<G, W, P> RefUnwindSafe for Filter<G, W, P> where
 G: RefUnwindSafe,
 P: RefUnwindSafe,
 W: RefUnwindSafe,

impl<G, W, P> Send for Filter<G, W, P> where
 G: Send,
 P: Send,
 W: Send,

impl<G, W, P> Sync for Filter<G, W, P> where
 G: Sync,
 P: Sync,
 W: Sync,

impl<G, W, P> Unpin for Filter<G, W, P> where
 G: Unpin,
 P: Unpin,
 W: Unpin,

impl<G, W, P> UnwindSafe for Filter<G, W, P> where
 G: UnwindSafe,
 P: UnwindSafe,
 W: UnwindSafe,

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct daggy::walker::Filter

Implementations

impl<G, W, P> Filter<G, W, P>

pub fn new(walker: W, predicate: P) -> Self where G: GraphRef, W: Walker<G>, P: FnMut(G, &W::Item) -> bool,

Trait Implementations

impl<G: Clone, W: Clone, P: Clone> Clone for Filter<G, W, P>

fn clone(&self) -> Filter<G, W, P>

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

impl<G: Debug, W: Debug, P: Debug> Debug for Filter<G, W, P>

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

impl<G, W, P> Walker<G> for Filter<G, W, P> where G: GraphRef, W: Walker<G>, P: FnMut(G, &W::Item) -> bool,

type Item = <W as Walker<G>>::Item

fn walk_next(&mut self, graph: G) -> Option<Self::Item>

fn iter(self, context: Context) -> WalkerIter<Self, Context> where Context: Clone,

Auto Trait Implementations

impl<G, W, P> RefUnwindSafe for Filter<G, W, P> where G: RefUnwindSafe, P: RefUnwindSafe, W: RefUnwindSafe,

impl<G, W, P> Send for Filter<G, W, P> where G: Send, P: Send, W: Send,

impl<G, W, P> Sync for Filter<G, W, P> where G: Sync, P: Sync, W: Sync,

impl<G, W, P> Unpin for Filter<G, W, P> where G: Unpin, P: Unpin, W: Unpin,

impl<G, W, P> UnwindSafe for Filter<G, W, P> where G: UnwindSafe, P: UnwindSafe, W: UnwindSafe,

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

pub fn new(walker: W, predicate: P) -> Self where
G: GraphRef,
W: Walker<G>,
P: FnMut(G, &W::Item) -> bool,

impl<G, W, P> Walker<G> for Filter<G, W, P> where
G: GraphRef,
W: Walker<G>,
P: FnMut(G, &W::Item) -> bool,

fn iter(self, context: Context) -> WalkerIter<Self, Context> where
Context: Clone,

impl<G, W, P> RefUnwindSafe for Filter<G, W, P> where
G: RefUnwindSafe,
P: RefUnwindSafe,
W: RefUnwindSafe,

impl<G, W, P> Send for Filter<G, W, P> where
G: Send,
P: Send,
W: Send,

impl<G, W, P> Sync for Filter<G, W, P> where
G: Sync,
P: Sync,
W: Sync,

impl<G, W, P> Unpin for Filter<G, W, P> where
G: Unpin,
P: Unpin,
W: Unpin,

impl<G, W, P> UnwindSafe for Filter<G, W, P> where
G: UnwindSafe,
P: UnwindSafe,
W: UnwindSafe,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,