burn_dataset::transform

Struct MapperDataset

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pub struct MapperDataset<D, M, I> { /* private fields */ }
Expand description

Dataset mapping each element in an inner dataset to another element type lazily.

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impl<D, M, I> MapperDataset<D, M, I>

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pub fn new(dataset: D, mapper: M) -> Self

Constructs a new MapperDataset.

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impl<D, M, I, O> Dataset<O> for MapperDataset<D, M, I>
where D: Dataset<I>, M: Mapper<I, O> + Send + Sync, I: Send + Sync, O: Send + Sync,

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fn get(&self, index: usize) -> Option<O>

Gets the item at the given index.
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fn len(&self) -> usize

Gets the number of items in the dataset.
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fn is_empty(&self) -> bool

Checks if the dataset is empty.
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fn iter(&self) -> DatasetIterator<'_, I> ⓘ
where Self: Sized,

Returns an iterator over the dataset.

Auto Trait Implementations§

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impl<D, M, I> Freeze for MapperDataset<D, M, I>
where D: Freeze, M: Freeze,

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impl<D, M, I> RefUnwindSafe for MapperDataset<D, M, I>
where D: RefUnwindSafe, M: RefUnwindSafe, I: RefUnwindSafe,

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impl<D, M, I> Send for MapperDataset<D, M, I>
where D: Send, M: Send, I: Send,

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impl<D, M, I> Sync for MapperDataset<D, M, I>
where D: Sync, M: Sync, I: Sync,

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impl<D, M, I> Unpin for MapperDataset<D, M, I>
where D: Unpin, M: Unpin, I: Unpin,

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impl<D, M, I> UnwindSafe for MapperDataset<D, M, I>
where D: UnwindSafe, M: UnwindSafe, I: UnwindSafe,

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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.
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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<I, T> Window<I> for T
where T: Dataset<I> + ?Sized,

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fn window(&self, current: usize, size: NonZero<usize>) -> Option<Vec<I>>

Creates a window of a collection. Read more
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impl<I, T> Windows<I> for T
where T: Dataset<I>,

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fn windows(&self, size: usize) -> WindowsIterator<'_, I> ⓘ

Is empty if the Dataset is shorter than size.

§Panics

Panics if size is 0.

§Examples
use crate::burn_dataset::{
   transform::{Windows, WindowsDataset},
   Dataset, InMemDataset,
};

let items = [1, 2, 3, 4].to_vec();
let dataset = InMemDataset::new(items.clone());

for window in dataset.windows(2) {
 // do sth with window
}