Function mask_array 

pub fn mask_array<A, S, D>(
    data: ArrayBase<S, D>,
    mask: Option<Array<bool, D>>,
    fill_value: Option<A>,
) -> Result<MaskedArray<A, S, D>, ArrayError>
where
    A: Clone + PartialEq,
    S: Data<Elem = A> + Clone + RawDataClone,
    D: Dimension,

Create a masked array

Errors

Returns ArrayError::ShapeMismatch if the mask shape doesn’t match the data shape.