Trait ndarray_npy::ViewElement [−][src]
pub trait ViewElement: Sized {
fn bytes_as_slice<'a>(
bytes: &'a [u8],
type_desc: &PyValue,
len: usize
) -> Result<&'a [Self], ViewDataError>;
}
Expand description
An array element type that can be viewed (without copying) in an .npy
file.
Required methods
fn bytes_as_slice<'a>(
bytes: &'a [u8],
type_desc: &PyValue,
len: usize
) -> Result<&'a [Self], ViewDataError>
fn bytes_as_slice<'a>(
bytes: &'a [u8],
type_desc: &PyValue,
len: usize
) -> Result<&'a [Self], ViewDataError>
Casts bytes
into a slice of elements of length len
.
Returns Err(_)
in at least the following cases:
- if the
type_desc
does not matchSelf
with native endianness - if the
bytes
slice is misaligned for elements of typeSelf
- if the
bytes
slice is too short forlen
elements - if the
bytes
slice has extra bytes afterlen
elements
May panic if len * size_of::<Self>()
overflows.