sophia_api::source::filter

Struct FilterTripleSource

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pub struct FilterTripleSource<S, P> { /* private fields */ }
Expand description

The result type of TripleSource::filter_triples.

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impl<S, P> TripleSource for FilterTripleSource<S, P>
where S: TripleSource, P: FnMut(&S::Triple<'_>) -> bool,

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type Triple<'x> = <S as TripleSource>::Triple<'x>

The type of triples this source yields.
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type Error = <S as TripleSource>::Error

The type of errors produced by this source.
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fn try_for_some_triple<E, F>( &mut self, f: F, ) -> StreamResult<bool, Self::Error, E>
where E: Error, F: FnMut(Self::Triple<'_>) -> Result<(), E>,

Call f for some triple(s) (possibly zero) from this source, if any. Read more
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fn size_hint_triples(&self) -> (usize, Option<usize>)

Returns the bounds on the remaining length of the source. Read more
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fn try_for_each_triple<F, E>( &mut self, f: F, ) -> StreamResult<(), Self::Error, E>
where F: FnMut(Self::Triple<'_>) -> Result<(), E>, E: Error,

Call f for all triples from this source. Read more
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fn for_some_triple<F>(&mut self, f: &mut F) -> Result<bool, Self::Error>
where F: FnMut(Self::Triple<'_>),

Call f for some triple(s) (possibly zero) from this source, if any. Read more
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fn for_each_triple<F>(&mut self, f: F) -> Result<(), Self::Error>
where F: FnMut(Self::Triple<'_>),

Call f for all triples from this source. Read more
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fn filter_triples<F>(self, predicate: F) -> FilterTripleSource<Self, F>
where Self: Sized, F: FnMut(&Self::Triple<'_>) -> bool,

Returns a source which uses predicate to determine if an triple should be yielded.
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fn filter_map_triples<F, T>( self, filter_map: F, ) -> FilterMapTripleSource<Self, F>
where Self: Sized, F: FnMut(Self::Triple<'_>) -> Option<T>,

Returns a source that both filters and maps. Read more
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fn map_triples<F, T>(self, map: F) -> MapTripleSource<Self, F>
where Self: Sized, F: FnMut(Self::Triple<'_>) -> T,

Returns a source which yield the result of map for each triple. Read more
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fn to_quads(self) -> ToQuads<Self>
where Self: Sized,

Convert of triples in this source to quads (belonging to the default graph).
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fn collect_triples<G>(self) -> StreamResult<G, Self::Error, <G as Graph>::Error>
where Self: Sized, for<'x> Self::Triple<'x>: Triple, G: CollectibleGraph,

Collect these triples into a new graph.
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fn add_to_graph<G: MutableGraph>( self, graph: &mut G, ) -> StreamResult<usize, Self::Error, <G as MutableGraph>::MutationError>
where Self: Sized, for<'x> Self::Triple<'x>: Triple,

Insert all triples from this source into the given MutableGraph. Read more

Auto Trait Implementations§

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impl<S, P> Freeze for FilterTripleSource<S, P>
where S: Freeze, P: Freeze,

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impl<S, P> RefUnwindSafe for FilterTripleSource<S, P>

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impl<S, P> Send for FilterTripleSource<S, P>
where S: Send, P: Send,

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impl<S, P> Sync for FilterTripleSource<S, P>
where S: Sync, P: Sync,

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impl<S, P> Unpin for FilterTripleSource<S, P>
where S: Unpin, P: Unpin,

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impl<S, P> UnwindSafe for FilterTripleSource<S, P>
where S: UnwindSafe, P: 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,

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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,

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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

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fn from(t: T) -> T

Returns the argument unchanged.

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

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

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

Performs the conversion.