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# init(arrayLiteral:)

Returns a new shape with the specified size.

```
init(arrayLiteral: BNNS.Shape.ArrayLiteralElement...)
```

## Parameters

`arrayLiteral`

An array that specifies the number of values in each dimension.

## Discussion

This initializer returns a shape with the default layout for the rank that’s equal to the count of `arrayLiteral`. The default layouts for each dimensionality are:

- 1D: [`BNNS.DataLayout.vector`](/documentation/Accelerate/BNNS/DataLayout/vector)
- 2D: [`BNNS.DataLayout.matrixFirstMajor`](/documentation/Accelerate/BNNS/DataLayout/matrixFirstMajor)
- 3D: [`BNNS.DataLayout.tensor3DFirstMajor`](/documentation/Accelerate/BNNS/DataLayout/tensor3DFirstMajor)
- 4D: [`BNNS.DataLayout.tensor4DFirstMajor`](/documentation/Accelerate/BNNS/DataLayout/tensor4DFirstMajor)
- 5D: [`BNNS.DataLayout.tensor5DFirstMajor`](/documentation/Accelerate/BNNS/DataLayout/tensor5DFirstMajor)
- 6D: [`BNNS.DataLayout.tensor6DFirstMajor`](/documentation/Accelerate/BNNS/DataLayout/tensor6DFirstMajor)
- 7D: [`BNNS.DataLayout.tensor7DFirstMajor`](/documentation/Accelerate/BNNS/DataLayout/tensor7DFirstMajor)
- 8D: [`BNNS.DataLayout.tensor8DFirstMajor`](/documentation/Accelerate/BNNS/DataLayout/tensor8DFirstMajor)

---

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