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use crate::imp_prelude::*;
impl<'a, A, D> CowArray<'a, A, D>
where
D: Dimension,
{
pub fn is_view(&self) -> bool {
self.data.is_view()
}
pub fn is_owned(&self) -> bool {
self.data.is_owned()
}
}
impl<'a, A, D> From<ArrayView<'a, A, D>> for CowArray<'a, A, D>
where
D: Dimension,
{
fn from(view: ArrayView<'a, A, D>) -> CowArray<'a, A, D> {
unsafe {
ArrayBase::from_data_ptr(CowRepr::View(view.data), view.ptr)
.with_strides_dim(view.strides, view.dim)
}
}
}
impl<'a, A, D> From<Array<A, D>> for CowArray<'a, A, D>
where
D: Dimension,
{
fn from(array: Array<A, D>) -> CowArray<'a, A, D> {
unsafe {
ArrayBase::from_data_ptr(CowRepr::Owned(array.data), array.ptr)
.with_strides_dim(array.strides, array.dim)
}
}
}
impl<'a, A, Slice: ?Sized> From<&'a Slice> for CowArray<'a, A, Ix1>
where
Slice: AsRef<[A]>,
{
fn from(slice: &'a Slice) -> Self {
Self::from(ArrayView1::from(slice))
}
}
impl<'a, A, S, D> From<&'a ArrayBase<S, D>> for CowArray<'a, A, D>
where
S: Data<Elem = A>,
D: Dimension,
{
fn from(array: &'a ArrayBase<S, D>) -> Self {
Self::from(array.view())
}
}