o1_utils::lazy_cache

Struct LazyCache

Source 
pub struct LazyCache<T> { /* private fields */ }
Expand description

A thread-safe, lazily-initialized value.

Implementations§

Source§

impl<T> LazyCache<T>

Source

pub fn new<F>(f: F) -> Self
where F: FnOnce() -> T + Send + Sync + 'static,

Source

pub fn preinit(value: T) -> LazyCache<T>

Creates a new lazy value that is already initialized.

Source

pub fn get(&self) -> &T

Source§

impl<T, E: Clone> LazyCache<Result<T, E>>

Source

pub fn try_get_or_err(&self) -> Result<&T, LazyCacheErrorOr<E>>

Trait Implementations§

Source§

impl<T: Debug> Debug for LazyCache<T>

Source§

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

Formats the value using the given formatter. Read more
Source§

impl<T> Deref for LazyCache<T>

Source§

type Target = T

The resulting type after dereferencing.
Source§

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

Dereferences the value.
Source§

impl<'de, T> Deserialize<'de> for LazyCache<T>
where T: DeserializeOwned + Send + Sync + 'static,

Source§

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
Source§

impl<T> Serialize for LazyCache<T>
where T: Serialize + Send + Sync + 'static,

Source§

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more
Source§

impl<T: Send> Send for LazyCache<T>

Source§

impl<T: Send + Sync> Sync for LazyCache<T>

Auto Trait Implementations§

§

impl<T> !Freeze for LazyCache<T>

§

impl<T> !RefUnwindSafe for LazyCache<T>

§

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

§

impl<T> !UnwindSafe for LazyCache<T>

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.

§

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> Same for T

Source§

type Output = T

Should always be Self
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

Source§

impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,