Struct polars_core::frame::groupby::GroupsIdx

source · [−]

pub struct GroupsIdx { /* private fields */ }

Expand description

Indexes of the groups, the first index is stored separately. this make sorting fast.

Implementations

source

pub fn first_mut(&mut self) -> &mut Vec<IdxSize>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

Trait Implementations

source

impl Clone for GroupsIdx

source

fn clone(&self) -> GroupsIdx

Returns a copy of the value. Read more

1.0.0 · source

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

source

impl Debug for GroupsIdx

source

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

source

impl Default for GroupsIdx

source

fn default() -> GroupsIdx

Returns the “default value” for a type. Read more

source

impl Drop for GroupsIdx

source

fn drop(&mut self)

Executes the destructor for this type. Read more

source

impl From<GroupsIdx> for GroupsProxy

source

fn from(groups: GroupsIdx) -> Self

Performs the conversion.

source

impl From<Vec<(u32, Vec<u32, Global>), Global>> for GroupsIdx

source

fn from(v: Vec<IdxItem>) -> Self

Performs the conversion.

source

impl From<Vec<Vec<(u32, Vec<u32, Global>), Global>, Global>> for GroupsIdx

source

fn from(v: Vec<Vec<IdxItem>>) -> Self

Performs the conversion.

source

impl FromIterator<(u32, Vec<u32, Global>)> for GroupsIdx

source

fn from_iter<T: IntoIterator<Item = IdxItem>>(iter: T) -> Self

Creates a value from an iterator. Read more

source

impl FromParallelIterator<(u32, Vec<u32, Global>)> for GroupsIdx

source

fn from_par_iter(par_iter: I) -> Self where
I: IntoParallelIterator<Item = IdxItem>,

Creates an instance of the collection from the parallel iterator par_iter. Read more

source

impl<'a> IntoIterator for &'a GroupsIdx

type Item = BorrowIdxItem<'a>

The type of the elements being iterated over.

type IntoIter = Zip<Copied<Iter<'a, IdxSize>>, Iter<'a, Vec<IdxSize>>>

Which kind of iterator are we turning this into?

source

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value. Read more

source

impl<'a> IntoIterator for GroupsIdx

type Item = IdxItem

The type of the elements being iterated over.

type IntoIter = Zip<IntoIter<IdxSize>, IntoIter<Vec<IdxSize>>>

Which kind of iterator are we turning this into?

source

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value. Read more

source

impl<'a> IntoParallelIterator for &'a GroupsIdx

type Iter = Zip<Copied<Iter<'a, IdxSize>>, Iter<'a, Vec<IdxSize>>>

The parallel iterator type that will be created.

type Item = BorrowIdxItem<'a>

The type of item that the parallel iterator will produce.

source

fn into_par_iter(self) -> Self::Iter

Converts self into a parallel iterator. Read more

source

impl IntoParallelIterator for GroupsIdx

type Iter = Zip<IntoIter<IdxSize>, IntoIter<Vec<IdxSize>>>

The parallel iterator type that will be created.

type Item = IdxItem

The type of item that the parallel iterator will produce.

source

fn into_par_iter(self) -> Self::Iter

Converts self into a parallel iterator. Read more

source

impl PartialEq<GroupsIdx> for GroupsIdx

source

fn eq(&self, other: &GroupsIdx) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

source

fn ne(&self, other: &GroupsIdx) -> bool

This method tests for !=.

source

impl Eq for GroupsIdx

source

impl StructuralEq for GroupsIdx

source

impl StructuralPartialEq for GroupsIdx

Auto Trait Implementations

impl RefUnwindSafe for GroupsIdx

impl Send for GroupsIdx

impl Sync for GroupsIdx

impl Unpin for GroupsIdx

impl UnwindSafe for GroupsIdx

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,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

source

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

source

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

source

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

source

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

const: unstable · 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<'data, I> IntoParallelRefIterator<'data> for I where
I: 'data + ?Sized,
&'data I: IntoParallelIterator,

type Iter = <&'data I as IntoParallelIterator>::Iter

The type of the parallel iterator that will be returned.

type Item = <&'data I as IntoParallelIterator>::Item

The type of item that the parallel iterator will produce. This will typically be an &'data T reference type. Read more

source

fn par_iter(&'data self) -> >::Iter

Converts self into a parallel iterator. Read more

source

impl<T> Pointable for T

source

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

source

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

Initializes a with the given initializer. Read more

source

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

Dereferences the given pointer. Read more

source

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

Mutably dereferences the given pointer. Read more

source

unsafe fn drop(ptr: usize)

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

source

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

source

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

source

fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

source

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

source

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

source

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

source

Struct polars_core::frame::groupby::GroupsIdx

Implementations

impl GroupsIdx

pub fn sort(&mut self)

pub fn is_sorted(&self) -> bool

pub fn iter(&self) -> Zip<Copied<Iter<'_, IdxSize>>, Iter<'_, Vec<IdxSize>>>

pub fn all(&self) -> &[Vec<IdxSize>]

pub fn first(&self) -> &[IdxSize]

pub fn first_mut(&mut self) -> &mut Vec<IdxSize>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

Trait Implementations

impl Clone for GroupsIdx

fn clone(&self) -> GroupsIdx

fn clone_from(&mut self, source: &Self)

impl Debug for GroupsIdx

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Default for GroupsIdx

fn default() -> GroupsIdx

impl Drop for GroupsIdx

fn drop(&mut self)

impl From<GroupsIdx> for GroupsProxy

fn from(groups: GroupsIdx) -> Self

impl From<Vec<(u32, Vec<u32, Global>), Global>> for GroupsIdx

fn from(v: Vec<IdxItem>) -> Self

impl From<Vec<Vec<(u32, Vec<u32, Global>), Global>, Global>> for GroupsIdx

fn from(v: Vec<Vec<IdxItem>>) -> Self

impl FromIterator<(u32, Vec<u32, Global>)> for GroupsIdx

fn from_iter<T: IntoIterator<Item = IdxItem>>(iter: T) -> Self

impl FromParallelIterator<(u32, Vec<u32, Global>)> for GroupsIdx

fn from_par_iter<I>(par_iter: I) -> Self where I: IntoParallelIterator<Item = IdxItem>,

impl<'a> IntoIterator for &'a GroupsIdx

type Item = BorrowIdxItem<'a>

type IntoIter = Zip<Copied<Iter<'a, IdxSize>>, Iter<'a, Vec<IdxSize>>>

fn into_iter(self) -> Self::IntoIter

impl<'a> IntoIterator for GroupsIdx

type Item = IdxItem

type IntoIter = Zip<IntoIter<IdxSize>, IntoIter<Vec<IdxSize>>>

fn into_iter(self) -> Self::IntoIter

impl<'a> IntoParallelIterator for &'a GroupsIdx

type Iter = Zip<Copied<Iter<'a, IdxSize>>, Iter<'a, Vec<IdxSize>>>

type Item = BorrowIdxItem<'a>

fn into_par_iter(self) -> Self::Iter

impl IntoParallelIterator for GroupsIdx

type Iter = Zip<IntoIter<IdxSize>, IntoIter<Vec<IdxSize>>>

type Item = IdxItem

fn into_par_iter(self) -> Self::Iter

impl PartialEq<GroupsIdx> for GroupsIdx

fn eq(&self, other: &GroupsIdx) -> bool

fn ne(&self, other: &GroupsIdx) -> bool

impl Eq for GroupsIdx

impl StructuralEq for GroupsIdx

impl StructuralPartialEq for GroupsIdx

Auto Trait Implementations

impl RefUnwindSafe for GroupsIdx

impl Send for GroupsIdx

impl Sync for GroupsIdx

impl Unpin for GroupsIdx

impl UnwindSafe for GroupsIdx

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<Q, K> Equivalent<K> for Q where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<'data, I> IntoParallelRefIterator<'data> for I where I: 'data + ?Sized, &'data I: IntoParallelIterator,

type Iter = <&'data I as IntoParallelIterator>::Iter

type Item = <&'data I as IntoParallelIterator>::Item

fn par_iter(&'data self) -> <I as IntoParallelRefIterator<'data>>::Iter

impl<T> Pointable for T

const ALIGN: usize

type Init = T

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

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

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

pub fn first(&self) -> &[IdxSize ]

pub fn first_mut(&mut self) -> &mut Vec<IdxSize>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

fn from_par_iter<I>(par_iter: I) -> Self where
I: IntoParallelIterator<Item = IdxItem>,

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

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

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

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

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

impl<'data, I> IntoParallelRefIterator<'data> for I where
I: 'data + ?Sized,
&'data I: IntoParallelIterator,

impl<T> ToOwned for T where
T: Clone,

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

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

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