Struct TaskRef

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pub struct TaskRef<T: TaskQueue> { /* private fields */ }
Expand description

A pointer to the pinned receiver of an enqueued BatchedTask

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impl<T> TaskRef<T>
where T: TaskQueue,

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pub fn task(&self) -> &T::Task

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impl<T, Parent> BelongsTo<Parent> for TaskRef<T>
where T: TaskQueue, T::Task: BelongsTo<Parent>,

Available on crate feature diesel-associations only.
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type ForeignKey = <<T as TaskQueue>::Task as BelongsTo<Parent>>::ForeignKey

The foreign key of this struct
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type ForeignKeyColumn = <<T as TaskQueue>::Task as BelongsTo<Parent>>::ForeignKeyColumn

The database column representing the foreign key of the table this struct represents
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fn foreign_key(&self) -> Option<&Self::ForeignKey>

Returns the foreign key for self
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fn foreign_key_column() -> Self::ForeignKeyColumn

Returns the foreign key column of this struct’s table
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impl<T> Debug for TaskRef<T>
where T: TaskQueue, <T as TaskQueue>::Task: Debug,

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

Formats the value using the given formatter. Read more
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impl<T> Deref for TaskRef<T>
where T: TaskQueue,

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type Target = <T as TaskQueue>::Task

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

Dereferences the value.
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impl<T> PartialEq for TaskRef<T>
where T: TaskQueue, T::Task: PartialEq,

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fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<T> PartialOrd for TaskRef<T>
where T: TaskQueue, T::Task: PartialOrd,

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fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl<T> ToRedisArgs for TaskRef<T>
where T: TaskQueue, T::Task: ToRedisArgs,

Available on crate feature redis-args only.
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fn write_redis_args<W>(&self, out: &mut W)
where W: ?Sized + RedisWrite,

This writes the value into a vector of bytes. Each item is a single argument. Most items generate a single item. Read more
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fn to_redis_args(&self) -> Vec<Vec<u8>>

This converts the value into a vector of bytes. Each item is a single argument. Most items generate a vector of a single item. Read more
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fn describe_numeric_behavior(&self) -> NumericBehavior

Returns an information about the contained value with regards to it’s numeric behavior in a redis context. This is used in some high level concepts to switch between different implementations of redis functions (for instance INCR vs INCRBYFLOAT).
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fn num_of_args(&self) -> usize

Returns the number of arguments this value will generate. Read more
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impl<T> Send for TaskRef<T>
where T: TaskQueue,

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impl<T> Sync for TaskRef<T>
where T: TaskQueue,

Auto Trait Implementations§

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impl<T> !Freeze for TaskRef<T>

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impl<T> !RefUnwindSafe for TaskRef<T>

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impl<T> Unpin for TaskRef<T>
where <T as TaskQueue>::Task: Unpin,

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impl<T> !UnwindSafe for TaskRef<T>

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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> IntoSql for T

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fn into_sql<T>(self) -> Self::Expression

Convert self to an expression for Diesel’s query builder. Read more
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fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression
where &'a Self: AsExpression<T>, T: SqlType + TypedExpressionType,

Convert &self to an expression for Diesel’s query builder. 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<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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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<T> ErasedDestructor for T
where T: 'static,