Struct stack_queue::task::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

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

This method 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

This method 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

This method 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

This method 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

This method 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 is_single_arg(&self) -> bool

Returns an indiciation if the value contained is exactly one argument. It returns false if it’s zero or more than one. This is used in some high level functions to intelligently switch between GET and MGET variants.
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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>

Blanket Implementations§

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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> 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

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<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.