Struct polars_core::utils::Arena[−][src]

pub struct Arena<T> { /* fields omitted */ }

Implementations

impl<T> Arena<T>[src]

Simple Arena implementation Allocates memory and stores item in a Vec. Only deallocates when being dropped itself.

pub fn add(&mut self, val: T) -> Node[src]

pub fn pop(&mut self) -> Option<T>[src]

pub fn len(&self) -> usize[src]

pub fn is_empty(&self) -> bool[src]

pub fn new() -> Self[src]

pub fn with_capacity(cap: usize) -> Self[src]

pub fn get_node(&self, val: &T) -> Option<Node>[src]

pub fn get(&self, idx: Node) -> &T[src]

pub fn get_mut(&mut self, idx: Node) -> &mut T[src]

pub fn replace(&mut self, idx: Node, val: T)[src]

impl<T: Default> Arena<T>[src]

pub fn take(&mut self, idx: Node) -> T[src]

pub fn replace_with<F>(&mut self, idx: Node, f: F) where
    F: FnOnce(T) -> T, [src]

pub fn try_replace_with<F>(&mut self, idx: Node, f: F) -> Result<()> where
    F: FnMut(T) -> Result<T>, [src]

Trait Implementations

impl<T: Clone> Clone for Arena<T>[src]

fn clone(&self) -> Arena<T>[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl<T> Default for Arena<T>[src]

fn default() -> Self[src]

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

Auto Trait Implementations

impl<T> RefUnwindSafe for Arena<T> where
    T: RefUnwindSafe, 

impl<T> Send for Arena<T> where
    T: Send, 

impl<T> Sync for Arena<T> where
    T: Sync, 

impl<T> Unpin for Arena<T> where
    T: Unpin, 

impl<T> UnwindSafe for Arena<T> where
    T: UnwindSafe, 

Blanket Implementations

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

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T, U> Cast<U> for T where
    U: FromCast<T>, 

pub fn cast(self) -> U

Numeric cast from self to T.

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T> FromCast<T> for T

pub fn from_cast(t: T) -> T

Numeric cast from T to Self.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> Pointable for T

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

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

Initializes a with the given initializer. Read more

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

Dereferences the given pointer. Read more

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

Mutably dereferences the given pointer. Read more

pub unsafe fn drop(ptr: usize)

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

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

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

pub fn clone_into(&self, target: &mut T)[src]

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

recently added

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

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

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>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

The type returned in the event of a conversion error.

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

Performs the conversion.

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

pub fn vzip(self) -> V