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DataLoader

lumen_dataset

Struct DataLoader 

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pub struct DataLoader<D, B>
where
    D: Dataset,
    B: Batcher<Item = D::Item>,
{ /* private fields */ }

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impl<D, B> DataLoader<D, B>
where D: Dataset, B: Batcher<Item = D::Item>,

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pub fn new(dataset: D, batcher: B, batch_size: usize, shuffle: bool) -> Self

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pub fn dataset_len(&self) -> usize

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pub fn batch_count(&self) -> usize

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pub fn batch_size(&self) -> usize

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pub fn iter<'a>(&'a self) -> DataLoaderIter<'a, D, B> ⓘ

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impl<D, B> DataLoader<D, B>
where D: Dataset, B: Batcher<Item = D::Item> + Default,

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pub fn from_dataset(dataset: D, batch_size: usize, shuffle: bool) -> Self

Trait Implementations§

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impl<D, B> IntoIterator for DataLoader<D, B>
where D: Dataset, B: Batcher<Item = D::Item>,

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type IntoIter = DataLoaderIntoIter<D, B>

Which kind of iterator are we turning this into?
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type Item = Result<<B as Batcher>::Output, DataLoaderError>

The type of the elements being iterated over.
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fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value. Read more

Auto Trait Implementations§

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impl<D, B> Freeze for DataLoader<D, B>
where D: Freeze, B: Freeze,

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impl<D, B> RefUnwindSafe for DataLoader<D, B>
where D: RefUnwindSafe, B: RefUnwindSafe,

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impl<D, B> Send for DataLoader<D, B>
where D: Send, B: Send,

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impl<D, B> Sync for DataLoader<D, B>
where D: Sync, B: Sync,

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impl<D, B> Unpin for DataLoader<D, B>
where D: Unpin, B: Unpin,

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impl<D, B> UnsafeUnpin for DataLoader<D, B>
where D: UnsafeUnpin, B: UnsafeUnpin,

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impl<D, B> UnwindSafe for DataLoader<D, B>
where D: UnwindSafe, B: 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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more