Struct holochain_state::query::chain_head::ChainHeadQuery
source · [−]pub struct ChainHeadQuery(_);
Implementations
sourceimpl ChainHeadQuery
impl ChainHeadQuery
pub fn new(agent: Arc<AgentPubKey>) -> Self
Trait Implementations
sourceimpl Clone for ChainHeadQuery
impl Clone for ChainHeadQuery
sourcefn clone(&self) -> ChainHeadQuery
fn clone(&self) -> ChainHeadQuery
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl Debug for ChainHeadQuery
impl Debug for ChainHeadQuery
sourceimpl Query for ChainHeadQuery
impl Query for ChainHeadQuery
type Item = Judged<SignedHashed<Header>>
type State = Option<SignedHashed<Header>>
type Output = Option<(HoloHash<Header>, u32, Timestamp)>
fn query(&self) -> String
fn params(&self) -> Vec<Params<'_>>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where
A: Allocator,
A: Allocator,
fn init_fold(&self) -> StateQueryResult<Self::State>
fn as_filter(&self) -> Box<dyn Fn(&QueryData<Self>) -> bool>
fn fold(
&self,
state: Self::State,
sh: Self::Item
) -> StateQueryResult<Self::State>
fn render<S>(
&self,
state: Self::State,
_stores: S
) -> StateQueryResult<Self::Output> where
S: Store,
fn as_map(&self) -> Arc<dyn Fn(&Row<'_>) -> StateQueryResult<Self::Item>>
fn run<S>(&self, stores: S) -> StateQueryResult<Self::Output> where
S: Stores<Self>,
S: Store,
Auto Trait Implementations
impl RefUnwindSafe for ChainHeadQuery
impl Send for ChainHeadQuery
impl Sync for ChainHeadQuery
impl Unpin for ChainHeadQuery
impl UnwindSafe for ChainHeadQuery
Blanket Implementations
impl<T> Any for T where
T: Any + ?Sized,
impl<T> Any for T where
T: Any + ?Sized,
fn type_id_compat(&self) -> TypeId
fn type_id_compat(&self) -> TypeId
TODO: once 1.33.0 is the minimum supported compiler version, remove Any::type_id_compat and use StdAny::type_id instead. https://github.com/rust-lang/rust/issues/27745 Read more
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> FutureExt for T
impl<T> FutureExt for T
fn with_context(self, otel_cx: Context) -> WithContext<Self>
fn with_context(self, otel_cx: Context) -> WithContext<Self>
fn with_current_context(self) -> WithContext<Self>
fn with_current_context(self) -> WithContext<Self>
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Instruments this type with the provided Span
, returning an
Instrumented
wrapper. Read more
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
impl<T> Pointable for T
impl<T> Pointable for T
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
fn vzip(self) -> V
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
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
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
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
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more