Struct ndarray::SliceInfo [−][src]
Represents all of the necessary information to perform a slice.
The type T
is typically [SliceInfoElem; n]
, &[SliceInfoElem]
, or
Vec<SliceInfoElem>
. The type Din
is the dimension of the array to be
sliced, and Dout
is the output dimension after calling .slice()
. Note
that if Din
is a fixed dimension type (Ix0
, Ix1
, Ix2
, etc.), the
SliceInfo
instance can still be used to slice an array with dimension
IxDyn
as long as the number of axes matches.
Implementations
impl<T, Din, Dout> SliceInfo<T, Din, Dout> where
T: AsRef<[SliceInfoElem]>,
Din: Dimension,
Dout: Dimension,
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T: AsRef<[SliceInfoElem]>,
Din: Dimension,
Dout: Dimension,
pub unsafe fn new(indices: T) -> Result<SliceInfo<T, Din, Dout>, ShapeError>
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Returns a new SliceInfo
instance.
Errors if Din
or Dout
is not consistent with indices
.
For common types, a safe alternative is to use TryFrom
instead.
Safety
The caller must ensure indices.as_ref()
always returns the same value
when called multiple times.
pub fn in_ndim(&self) -> usize
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Returns the number of dimensions of the input array for
.slice()
.
If Din
is a fixed-size dimension type, then this is equivalent to
Din::NDIM.unwrap()
. Otherwise, the value is calculated by iterating
over the SliceInfoElem
elements.
pub fn out_ndim(&self) -> usize
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Returns the number of dimensions after calling
.slice()
(including taking
subviews).
If Dout
is a fixed-size dimension type, then this is equivalent to
Dout::NDIM.unwrap()
. Otherwise, the value is calculated by iterating
over the SliceInfoElem
elements.
Trait Implementations
impl<T, Din, Dout> AsRef<[SliceInfoElem]> for SliceInfo<T, Din, Dout> where
T: AsRef<[SliceInfoElem]>,
Din: Dimension,
Dout: Dimension,
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T: AsRef<[SliceInfoElem]>,
Din: Dimension,
Dout: Dimension,
fn as_ref(&self) -> &[SliceInfoElem]ⓘ
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impl<T, Din, Dout> Clone for SliceInfo<T, Din, Dout> where
T: Clone,
Din: Dimension,
Dout: Dimension,
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T: Clone,
Din: Dimension,
Dout: Dimension,
fn clone(&self) -> Self
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pub fn clone_from(&mut self, source: &Self)
1.0.0[src]
impl<T, Din, Dout> Copy for SliceInfo<T, Din, Dout> where
T: Copy,
Din: Dimension,
Dout: Dimension,
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T: Copy,
Din: Dimension,
Dout: Dimension,
impl<T: Debug, Din: Debug + Dimension, Dout: Debug + Dimension> Debug for SliceInfo<T, Din, Dout>
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impl<T, Din, Dout> Deref for SliceInfo<T, Din, Dout> where
Din: Dimension,
Dout: Dimension,
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Din: Dimension,
Dout: Dimension,
impl<'a, T, Din, Dout> From<&'a SliceInfo<T, Din, Dout>> for SliceInfo<&'a [SliceInfoElem], Din, Dout> where
T: AsRef<[SliceInfoElem]>,
Din: Dimension,
Dout: Dimension,
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T: AsRef<[SliceInfoElem]>,
Din: Dimension,
Dout: Dimension,
impl<T, Dout> SliceArg<Dim<[usize; 0]>> for SliceInfo<T, Ix0, Dout> where
T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
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T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
type OutDim = Dout
Dimensionality of the output array.
fn in_ndim(&self) -> usize
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fn out_ndim(&self) -> usize
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fn __private__(&self) -> PrivateMarker
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impl<T, Dout> SliceArg<Dim<[usize; 1]>> for SliceInfo<T, Ix1, Dout> where
T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
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T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
type OutDim = Dout
Dimensionality of the output array.
fn in_ndim(&self) -> usize
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fn out_ndim(&self) -> usize
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fn __private__(&self) -> PrivateMarker
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impl<T, Dout> SliceArg<Dim<[usize; 2]>> for SliceInfo<T, Ix2, Dout> where
T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
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T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
type OutDim = Dout
Dimensionality of the output array.
fn in_ndim(&self) -> usize
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fn out_ndim(&self) -> usize
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fn __private__(&self) -> PrivateMarker
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impl<T, Dout> SliceArg<Dim<[usize; 3]>> for SliceInfo<T, Ix3, Dout> where
T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
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T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
type OutDim = Dout
Dimensionality of the output array.
fn in_ndim(&self) -> usize
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fn out_ndim(&self) -> usize
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fn __private__(&self) -> PrivateMarker
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impl<T, Dout> SliceArg<Dim<[usize; 4]>> for SliceInfo<T, Ix4, Dout> where
T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
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T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
type OutDim = Dout
Dimensionality of the output array.
fn in_ndim(&self) -> usize
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fn out_ndim(&self) -> usize
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fn __private__(&self) -> PrivateMarker
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impl<T, Dout> SliceArg<Dim<[usize; 5]>> for SliceInfo<T, Ix5, Dout> where
T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
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T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
type OutDim = Dout
Dimensionality of the output array.
fn in_ndim(&self) -> usize
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fn out_ndim(&self) -> usize
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fn __private__(&self) -> PrivateMarker
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impl<T, Dout> SliceArg<Dim<[usize; 6]>> for SliceInfo<T, Ix6, Dout> where
T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
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T: AsRef<[SliceInfoElem]>,
Dout: Dimension,
type OutDim = Dout
Dimensionality of the output array.
fn in_ndim(&self) -> usize
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fn out_ndim(&self) -> usize
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fn __private__(&self) -> PrivateMarker
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impl<T, Din, Dout> SliceArg<Dim<IxDynImpl>> for SliceInfo<T, Din, Dout> where
T: AsRef<[SliceInfoElem]>,
Din: Dimension,
Dout: Dimension,
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T: AsRef<[SliceInfoElem]>,
Din: Dimension,
Dout: Dimension,
type OutDim = Dout
Dimensionality of the output array.
fn in_ndim(&self) -> usize
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fn out_ndim(&self) -> usize
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fn __private__(&self) -> PrivateMarker
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impl<'a, Din, Dout> TryFrom<&'a [SliceInfoElem]> for SliceInfo<&'a [SliceInfoElem], Din, Dout> where
Din: Dimension,
Dout: Dimension,
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Din: Dimension,
Dout: Dimension,
type Error = ShapeError
The type returned in the event of a conversion error.
fn try_from(
indices: &'a [SliceInfoElem]
) -> Result<SliceInfo<&'a [SliceInfoElem], Din, Dout>, ShapeError>
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indices: &'a [SliceInfoElem]
) -> Result<SliceInfo<&'a [SliceInfoElem], Din, Dout>, ShapeError>
impl<Din, Dout> TryFrom<[SliceInfoElem; 0]> for SliceInfo<[SliceInfoElem; 0], Din, Dout> where
Din: Dimension,
Dout: Dimension,
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Din: Dimension,
Dout: Dimension,
type Error = ShapeError
The type returned in the event of a conversion error.
fn try_from(
indices: [SliceInfoElem; 0]
) -> Result<SliceInfo<[SliceInfoElem; 0], Din, Dout>, ShapeError>
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indices: [SliceInfoElem; 0]
) -> Result<SliceInfo<[SliceInfoElem; 0], Din, Dout>, ShapeError>
impl<Din, Dout> TryFrom<[SliceInfoElem; 1]> for SliceInfo<[SliceInfoElem; 1], Din, Dout> where
Din: Dimension,
Dout: Dimension,
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Din: Dimension,
Dout: Dimension,
type Error = ShapeError
The type returned in the event of a conversion error.
fn try_from(
indices: [SliceInfoElem; 1]
) -> Result<SliceInfo<[SliceInfoElem; 1], Din, Dout>, ShapeError>
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indices: [SliceInfoElem; 1]
) -> Result<SliceInfo<[SliceInfoElem; 1], Din, Dout>, ShapeError>
impl<Din, Dout> TryFrom<[SliceInfoElem; 2]> for SliceInfo<[SliceInfoElem; 2], Din, Dout> where
Din: Dimension,
Dout: Dimension,
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Din: Dimension,
Dout: Dimension,
type Error = ShapeError
The type returned in the event of a conversion error.
fn try_from(
indices: [SliceInfoElem; 2]
) -> Result<SliceInfo<[SliceInfoElem; 2], Din, Dout>, ShapeError>
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indices: [SliceInfoElem; 2]
) -> Result<SliceInfo<[SliceInfoElem; 2], Din, Dout>, ShapeError>
impl<Din, Dout> TryFrom<[SliceInfoElem; 3]> for SliceInfo<[SliceInfoElem; 3], Din, Dout> where
Din: Dimension,
Dout: Dimension,
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Din: Dimension,
Dout: Dimension,
type Error = ShapeError
The type returned in the event of a conversion error.
fn try_from(
indices: [SliceInfoElem; 3]
) -> Result<SliceInfo<[SliceInfoElem; 3], Din, Dout>, ShapeError>
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indices: [SliceInfoElem; 3]
) -> Result<SliceInfo<[SliceInfoElem; 3], Din, Dout>, ShapeError>
impl<Din, Dout> TryFrom<[SliceInfoElem; 4]> for SliceInfo<[SliceInfoElem; 4], Din, Dout> where
Din: Dimension,
Dout: Dimension,
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Din: Dimension,
Dout: Dimension,
type Error = ShapeError
The type returned in the event of a conversion error.
fn try_from(
indices: [SliceInfoElem; 4]
) -> Result<SliceInfo<[SliceInfoElem; 4], Din, Dout>, ShapeError>
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indices: [SliceInfoElem; 4]
) -> Result<SliceInfo<[SliceInfoElem; 4], Din, Dout>, ShapeError>
impl<Din, Dout> TryFrom<[SliceInfoElem; 5]> for SliceInfo<[SliceInfoElem; 5], Din, Dout> where
Din: Dimension,
Dout: Dimension,
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Din: Dimension,
Dout: Dimension,
type Error = ShapeError
The type returned in the event of a conversion error.
fn try_from(
indices: [SliceInfoElem; 5]
) -> Result<SliceInfo<[SliceInfoElem; 5], Din, Dout>, ShapeError>
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indices: [SliceInfoElem; 5]
) -> Result<SliceInfo<[SliceInfoElem; 5], Din, Dout>, ShapeError>
impl<Din, Dout> TryFrom<[SliceInfoElem; 6]> for SliceInfo<[SliceInfoElem; 6], Din, Dout> where
Din: Dimension,
Dout: Dimension,
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Din: Dimension,
Dout: Dimension,
type Error = ShapeError
The type returned in the event of a conversion error.
fn try_from(
indices: [SliceInfoElem; 6]
) -> Result<SliceInfo<[SliceInfoElem; 6], Din, Dout>, ShapeError>
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indices: [SliceInfoElem; 6]
) -> Result<SliceInfo<[SliceInfoElem; 6], Din, Dout>, ShapeError>
impl<Din, Dout> TryFrom<[SliceInfoElem; 7]> for SliceInfo<[SliceInfoElem; 7], Din, Dout> where
Din: Dimension,
Dout: Dimension,
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Din: Dimension,
Dout: Dimension,
type Error = ShapeError
The type returned in the event of a conversion error.
fn try_from(
indices: [SliceInfoElem; 7]
) -> Result<SliceInfo<[SliceInfoElem; 7], Din, Dout>, ShapeError>
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indices: [SliceInfoElem; 7]
) -> Result<SliceInfo<[SliceInfoElem; 7], Din, Dout>, ShapeError>
impl<Din, Dout> TryFrom<[SliceInfoElem; 8]> for SliceInfo<[SliceInfoElem; 8], Din, Dout> where
Din: Dimension,
Dout: Dimension,
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Din: Dimension,
Dout: Dimension,
type Error = ShapeError
The type returned in the event of a conversion error.
fn try_from(
indices: [SliceInfoElem; 8]
) -> Result<SliceInfo<[SliceInfoElem; 8], Din, Dout>, ShapeError>
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indices: [SliceInfoElem; 8]
) -> Result<SliceInfo<[SliceInfoElem; 8], Din, Dout>, ShapeError>
impl<Din, Dout> TryFrom<Vec<SliceInfoElem, Global>> for SliceInfo<Vec<SliceInfoElem>, Din, Dout> where
Din: Dimension,
Dout: Dimension,
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Din: Dimension,
Dout: Dimension,
type Error = ShapeError
The type returned in the event of a conversion error.
fn try_from(
indices: Vec<SliceInfoElem>
) -> Result<SliceInfo<Vec<SliceInfoElem>, Din, Dout>, ShapeError>
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indices: Vec<SliceInfoElem>
) -> Result<SliceInfo<Vec<SliceInfoElem>, Din, Dout>, ShapeError>
Auto Trait Implementations
impl<T, Din, Dout> RefUnwindSafe for SliceInfo<T, Din, Dout> where
Din: RefUnwindSafe,
Dout: RefUnwindSafe,
T: RefUnwindSafe,
Din: RefUnwindSafe,
Dout: RefUnwindSafe,
T: RefUnwindSafe,
impl<T, Din, Dout> Send for SliceInfo<T, Din, Dout> where
T: Send,
T: Send,
impl<T, Din, Dout> Sync for SliceInfo<T, Din, Dout> where
T: Sync,
T: Sync,
impl<T, Din, Dout> Unpin for SliceInfo<T, Din, Dout> where
Din: Unpin,
Dout: Unpin,
T: Unpin,
Din: Unpin,
Dout: Unpin,
T: Unpin,
impl<T, Din, Dout> UnwindSafe for SliceInfo<T, Din, Dout> where
Din: UnwindSafe,
Dout: UnwindSafe,
T: UnwindSafe,
Din: UnwindSafe,
Dout: UnwindSafe,
T: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Pointable for T
pub const ALIGN: usize
type Init = T
The type for initializers.
pub unsafe fn init(init: <T as Pointable>::Init) -> usize
pub unsafe fn deref<'a>(ptr: usize) -> &'a T
pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T
pub unsafe fn drop(ptr: usize)
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,