Struct Value

pub struct Value<T> { /* private fields */ }

Expand description

Pass a value by value (Value<Xxx>) instead of by reference (Vc<Xxx>).

Persistent, requires serialization.

Implementations§

impl<T> Value<T>

pub fn new(value: T) -> Self

pub fn into_value(self) -> T

impl<T: ValueDebugFormat> Value<T>

pub async fn dbg(&self) -> Result<ReadRef<ValueDebugString>>

pub async fn dbg_depth(&self, depth: usize) -> Result<ReadRef<ValueDebugString>>

Trait Implementations§

impl<T: Clone> Clone for Value<T>

fn clone(&self) -> Value<T>

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

impl<T: Debug> Debug for Value<T>

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

Formats the value using the given formatter. Read more

impl<T: Default> Default for Value<T>

fn default() -> Self

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

impl<T> Deref for Value<T>

type Target = T

The resulting type after dereferencing.

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

Dereferences the value.

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

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

Deserialize this value from the given Serde deserializer. Read more

impl<T: Hash> Hash for Value<T>

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more

1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more

impl<T: PartialEq> PartialEq for Value<T>

fn eq(&self, other: &Value<T>) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<T> Serialize for Value<T>
where T: Serialize,

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

Serialize this value into the given Serde serializer. Read more

impl<T> TaskInput for Value<T>
where T: Any + Debug + Clone + Hash + Eq + Send + Sync + Serialize + for<'de> Deserialize<'de> + TraceRawVcs + 'static,

fn is_resolved(&self) -> bool

fn is_transient(&self) -> bool

fn resolve_input(&self) -> impl Future<Output = Result<Self>> + Send + '_

impl<T: TraceRawVcs> TraceRawVcs for Value<T>

fn trace_raw_vcs(&self, trace_context: &mut TraceRawVcsContext)

fn get_raw_vcs(&self) -> Vec<RawVc>

impl<T: Copy> Copy for Value<T>

impl<T: Eq> Eq for Value<T>

impl<T: NonLocalValue> NonLocalValue for Value<T>

impl<T: OperationValue> OperationValue for Value<T>

impl<T> StructuralPartialEq for Value<T>

Auto Trait Implementations§

impl<T> Freeze for Value<T>
where T: Freeze,

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

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

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

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

impl<T> UnwindSafe for Value<T>
where T: 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> Any for T
where T: Any,

fn get_type_id(&self) -> TypeId

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> DynamicEqHash for T
where T: Any + PartialEq + Eq + Hash,

fn as_any(&self) -> &(dyn Any + 'static)

fn dyn_eq(&self, other: &(dyn Any + 'static)) -> bool

fn dyn_hash(&self, state: &mut dyn Hasher)

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

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

Checks if this value is equivalent to the given key. Read more

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

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

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

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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> IntoEither for T

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

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

impl<T> MagicAny for T
where T: Debug + Eq + Hash + Send + Sync + TraceRawVcs + 'static,

fn magic_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send>

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

fn magic_eq(&self, other: &(dyn MagicAny + 'static)) -> bool

fn magic_hash(&self, hasher: &mut dyn Hasher)

fn magic_trace_raw_vcs(&self, trace_context: &mut TraceRawVcsContext)

fn magic_type_name(&self) -> &'static str

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

impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

type Target = T

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

The target type on which the method may be called.

impl<T> Serialize for T
where T: Serialize + ?Sized,

fn erased_serialize(&self, serializer: &mut dyn Serializer) -> Result<(), Error>

fn do_erased_serialize( &self, serializer: &mut dyn Serializer, ) -> Result<(), ErrorImpl>

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 = Infallible

The type returned in the event of a conversion error.

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

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

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more

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