polars_core::frame::group_by

Struct SlicedGroups

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

Methods from Deref<Target = GroupsProxy>§

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

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

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pub fn unwrap_idx(&self) -> &GroupsIdx

Get a reference to the GroupsIdx.

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panics if the groups are a slice.

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pub fn unwrap_slice(&self) -> &GroupsSlice

Get a reference to the GroupsSlice.

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panics if the groups are an idx.

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

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pub fn len(&self) -> usize

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pub fn is_empty(&self) -> bool

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pub fn group_count(&self) -> IdxCa

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pub fn as_list_chunked(&self) -> ListChunked

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

Trait Implementations§

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impl Deref for SlicedGroups<'_>

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type Target = GroupsProxy

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.

Auto Trait Implementations§

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

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

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

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

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

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

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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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
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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
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V