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ScanArgs

Struct ScanArgs 

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pub struct ScanArgs {
    pub cursor: u64,
    pub count: usize,
    pub pattern: Option<Vec<u8>>,
    pub type_filter: Option<Vec<u8>>,
}
Expand description

Parsed SCAN arguments carried by Route::Scan.

cursor is the raw wire cursor: the runtime splits it into (shard, in-shard position) — shard index in the top 10 bits, reverse-binary bucket cursor in the low 54 (see exec_scan for the documented limits). Cursors are therefore only meaningful on the server (and shard count) that issued them, like Redis Cluster cursors are per-node.

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§cursor: u64

Raw wire cursor (0 starts a sweep).

§count: usize

COUNT — buckets-visited work bound per call (default 10).

§pattern: Option<Vec<u8>>

MATCH glob, applied to each visited key.

§type_filter: Option<Vec<u8>>

TYPE — keep only keys whose value type name matches (case-insensitive; unknown names match nothing).

Trait Implementations§

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impl Clone for ScanArgs

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fn clone(&self) -> ScanArgs

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
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impl Debug for ScanArgs

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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 Eq for ScanArgs

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impl PartialEq for ScanArgs

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for ScanArgs

Auto Trait Implementations§

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> CloneToUninit for T
where T: Clone,

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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
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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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

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.