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ResourceState

Enum ResourceState

pub enum ResourceState<K, T, E> {
    Idle,
    Loading {
        key: K,
        previous: Option<Data<K, T>>,
    },
    Ready(Data<K, T>),
    Error {
        key: K,
        error: Rc<E>,
        previous: Option<Data<K, T>>,
    },
    Disposed,
}

Expand description

Previous data is explicitly labelled; it is never passed off as a new key’s result.

Variants§

Idle

Loading

Fields

§key: K

§previous: Option<Data<K, T>>

Ready(Data<K, T>)

Error

Fields

§key: K

§error: Rc<E>

§previous: Option<Data<K, T>>

Disposed

Implementations§

impl<K, T, E> ResourceState<K, T, E>

pub fn data(&self) -> Option<&Data<K, T>>

pub fn is_loading(&self) -> bool

Trait Implementations§

impl<K, T, E> Clone for ResourceState<K, T, E>
where K: Clone,

fn clone(&self) -> Self

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

impl<K: Debug, T: Debug, E: Debug> Debug for ResourceState<K, T, E>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl<K, T, E> !Send for ResourceState<K, T, E>

impl<K, T, E> !Sync for ResourceState<K, T, E>

impl<K, T, E> Freeze for ResourceState<K, T, E>
where K: Freeze, Option<Data<K, T>>: Freeze, Data<K, T>: Freeze, Rc<E>: Freeze,

impl<K, T, E> RefUnwindSafe for ResourceState<K, T, E>
where K: RefUnwindSafe, Option<Data<K, T>>: RefUnwindSafe, Data<K, T>: RefUnwindSafe, Rc<E>: RefUnwindSafe,

impl<K, T, E> Unpin for ResourceState<K, T, E>
where K: Unpin, Option<Data<K, T>>: Unpin, Data<K, T>: Unpin, Rc<E>: Unpin,

impl<K, T, E> UnsafeUnpin for ResourceState<K, T, E>
where K: UnsafeUnpin, Option<Data<K, T>>: UnsafeUnpin, Data<K, T>: UnsafeUnpin, Rc<E>: UnsafeUnpin,

impl<K, T, E> UnwindSafe for ResourceState<K, T, E>
where K: UnwindSafe, Option<Data<K, T>>: UnwindSafe, Data<K, T>: UnwindSafe, Rc<E>: UnwindSafe,

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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

unsafe fn clone_to_uninit(&self, dest: *mut u8)

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

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

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> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

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

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

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

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

type Error = !

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, !>

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<S, T> Upcast<T> for S
where T: UpcastFrom<S> + ?Sized, S: ?Sized,

fn upcast(&self) -> &T
where Self: ErasableGeneric, T: Sized + ErasableGeneric<Repr = Self::Repr>,

Perform a zero-cost type-safe upcast to a wider ref type within the Wasm bindgen generics type system. Read more

fn upcast_into(self) -> T
where Self: Sized + ErasableGeneric, T: Sized + ErasableGeneric<Repr = Self::Repr>,

Perform a zero-cost type-safe upcast to a wider type within the Wasm bindgen generics type system. Read more