polars_core::frame::group_by

Struct SlicedGroups

Source
pub struct SlicedGroups<'a> { /* private fields */ }
Available on crate feature algorithm_group_by only.

Methods from Deref<Target = GroupsProxy>§

Source

pub fn iter(&self) -> GroupsProxyIter<'_>

Source

pub fn par_iter(&self) -> GroupsProxyParIter<'_>

Source

pub fn unwrap_idx(&self) -> &GroupsIdx

Get a reference to the GroupsIdx.

§Panic

panics if the groups are a slice.

Source

pub fn unwrap_slice(&self) -> &GroupsSlice

Get a reference to the GroupsSlice.

§Panic

panics if the groups are an idx.

Source

pub fn get(&self, index: usize) -> GroupsIndicator<'_>

Source

pub fn len(&self) -> usize

Source

pub fn is_empty(&self) -> bool

Source

pub fn group_count(&self) -> IdxCa

Source

pub fn as_list_chunked(&self) -> ListChunked

Source

pub fn slice(&self, offset: i64, len: usize) -> SlicedGroups<'_>

Trait Implementations§

Source§

impl Deref for SlicedGroups<'_>

Source§

type Target = GroupsProxy

The resulting type after dereferencing.
Source§

fn deref(&self) -> &Self::Target

Dereferences the value.

Auto Trait Implementations§

§

impl<'a> Freeze for SlicedGroups<'a>

§

impl<'a> RefUnwindSafe for SlicedGroups<'a>

§

impl<'a> Send for SlicedGroups<'a>

§

impl<'a> Sync for SlicedGroups<'a>

§

impl<'a> Unpin for SlicedGroups<'a>

§

impl<'a> UnwindSafe for SlicedGroups<'a>

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> IntoEither for T

Source§

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
§

impl<T> Pointable for T

§

const ALIGN: usize = _

The alignment of pointer.
§

type Init = T

The type for initializers.
§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
Source§

impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

Source§

type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

§

fn vzip(self) -> V