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Capabilities

Struct Capabilities 

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pub struct Capabilities(pub u64);
Expand description

Typed wrapper around the raw capability bitfield from HelloAckFrame.

Obtained via NodeDb::capabilities(). Use the predicate methods to test for specific server features before calling the corresponding operations.

§Example

let caps = Capabilities::from_raw(0x07); // streaming + graphrag + fts
assert!(caps.supports_streaming());
assert!(caps.supports_graphrag());
assert!(!caps.supports_crdt());

Tuple Fields§

§0: u64

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impl Capabilities

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pub fn from_raw(bits: u64) -> Self

Create from a raw capability bitfield.

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pub fn raw(self) -> u64

Returns the underlying raw bitfield.

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pub fn supports_streaming(self) -> bool

Whether the server supports response streaming (partial-response chunking via ResponseStatus::Partial).

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pub fn supports_graphrag(self) -> bool

Whether the server supports the GraphRagFusion opcode.

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pub fn supports_fts(self) -> bool

Whether the server supports full-text search opcodes (TextSearch, HybridSearch).

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pub fn supports_crdt(self) -> bool

Whether the server supports CRDT operations (CrdtRead, CrdtApply).

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pub fn supports_spatial(self) -> bool

Whether the server supports spatial scan (SpatialScan).

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pub fn supports_timeseries(self) -> bool

Whether the server supports timeseries operations (TimeseriesScan, TimeseriesIngest).

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pub fn supports_columnar(self) -> bool

Whether the server supports columnar operations (ColumnarScan, ColumnarInsert).

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pub fn has(self, bit: u64) -> bool

Test an arbitrary capability bit.

Trait Implementations§

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impl Clone for Capabilities

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fn clone(&self) -> Capabilities

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 Capabilities

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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 Default for Capabilities

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fn default() -> Capabilities

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

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · 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.
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impl Copy for Capabilities

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impl Eq for Capabilities

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impl StructuralPartialEq for Capabilities

Auto Trait 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> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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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<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. 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> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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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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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.
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impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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type Output = T

Should always be Self
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The inverse inclusion map: attempts to construct self from the equivalent element of its superset. Read more
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fn is_in_subset(&self) -> bool

Checks if self is actually part of its subset T (and can be converted to it).
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fn to_subset_unchecked(&self) -> SS

Use with care! Same as self.to_subset but without any property checks. Always succeeds.
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fn from_subset(element: &SS) -> SP

The inclusion map: converts self to the equivalent element of its superset.
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where T: Clone,

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The resulting type after obtaining ownership.
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impl<T> Scalar for T
where T: 'static + Clone + PartialEq + Debug,