Struct tc_state::closure::Closure

impl Closure

pub fn into_inner(self) -> (Map<State>, OpDef)

Return the context and OpDef which define this Closure.

pub fn dereference_self(self, path: &TCPathBuf) -> Self

Replace references to $self with the given path.

pub fn is_inter_service_write(&self, cluster_path: &[PathSegment]) -> bool

Return true if this Closure may write to service other than where it’s defined

pub fn reference_self(self, path: &TCPathBuf) -> Self

Replace references to the given path with $self

pub async fn call(self, txn: &Txn, args: State) -> TCResult<State>

Execute this Closure with the given args

pub async fn call_owned(self, txn: Txn, args: State) -> TCResult<State>

Execute this Closure with an owned Txn and the given args.

Trait Implementations§

impl AsyncHash for Closure

fn hash<'async_trait>( self, txn_id: TxnId ) -> Pin<Box<dyn Future<Output = TCResult<Output<Sha256>>> + Send + 'async_trait>>
where Self: 'async_trait,

Compute the hash of this state as of a given TxnId

impl Clone for Closure

fn clone(&self) -> Closure

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl ClosureInstance<State> for Closure

fn call<'async_trait>( self: Box<Self>, txn: Txn, args: State ) -> Pin<Box<dyn Future<Output = TCResult<State>> + Send + 'async_trait>>
where Self: 'async_trait,

Execute this ClosureInstance with the given args

impl Debug for Closure

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

Formats the value using the given formatter. Read more

impl From<(Map<State>, OpDef)> for Closure

fn from(tuple: (Map<State>, OpDef)) -> Self

Converts to this type from the input type.

impl From<Closure> for State

fn from(closure: Closure) -> Self

Converts to this type from the input type.

impl From<OpDef> for Closure

fn from(op: OpDef) -> Self

Converts to this type from the input type.

impl FromStream for Closure

type Context = Txn<State>

The decoding context of this type, useful in situations where the stream to be decoded may be too large to hold in main memory. Read more

fn from_stream<'life0, 'async_trait, D>( txn: Txn, decoder: &'life0 mut D ) -> Pin<Box<dyn Future<Output = Result<Self, D::Error>> + Send + 'async_trait>>
where D: 'async_trait + Decoder, Self: 'async_trait, 'life0: 'async_trait,

Parse this value using the given Decoder.

impl<'a> Handler<'a, State> for Closure

fn get<'b>(self: Box<Self>) -> Option<GetHandler<'a, 'b, Txn, State>>
where 'b: 'a,

fn put<'b>(self: Box<Self>) -> Option<PutHandler<'a, 'b, Txn, State>>
where 'b: 'a,

fn post<'b>(self: Box<Self>) -> Option<PostHandler<'a, 'b, Txn, State>>
where 'b: 'a,

fn delete<'b>(self: Box<Self>) -> Option<DeleteHandler<'a, 'b, Txn>>
where 'b: 'a,

impl<'en> IntoView<'en, CacheBlock> for Closure

type Txn = Txn<State>

The type of Transaction which this state supports

type View = (HashMap<Id, StateView<'en>>, OpDef)

The type of encodable view returned by into_view

fn into_view<'async_trait>( self, txn: Self::Txn ) -> Pin<Box<dyn Future<Output = TCResult<Self::View>> + Send + 'async_trait>>
where Self: 'async_trait,

Return a View which can be encoded with en::IntoStream.

impl TryCastFrom<Scalar> for Closure

fn can_cast_from(scalar: &Scalar) -> bool

Test if value can be cast into Self.

fn opt_cast_from(scalar: Scalar) -> Option<Self>

Returns Some(Self) if the source value can be cast into Self, otherwise None.

fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err>
where OnErr: FnOnce(&T) -> Err,

Returns Ok(Self) if the source value can be cast into Self, otherwise calls on_err.

impl TryCastFrom<State> for Closure

fn can_cast_from(state: &State) -> bool

Test if value can be cast into Self.

fn opt_cast_from(state: State) -> Option<Self>

Returns Some(Self) if the source value can be cast into Self, otherwise None.

fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err>
where OnErr: FnOnce(&T) -> Err,

Returns Ok(Self) if the source value can be cast into Self, otherwise calls on_err.

Auto Trait Implementations§

impl !UnwindSafe for Closure

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<F, T> CastFrom<F> for T
where T: From<F>,

fn cast_from(f: F) -> T

Cast an instance of T into an instance of Self.

impl<T, F> CastInto<F> for T
where F: CastFrom<T>,

fn cast_into(self) -> F

Cast an instance of Self into an instance of T.

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<F> Match for F

fn matches<T>(&self) -> bool
where T: TryCastFrom<Self>,

Returns true if self can be cast into the target type T.

impl<T> Pointable for T

const ALIGN: usize = _

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<State, T> ToState<State> for T
where State: StateInstance, T: Clone + Into<State>,

fn to_state(&self) -> State

impl<F, T> TryCastFrom<F> for T
where T: CastFrom<F>,

fn can_cast_from(_: &F) -> bool

Test if value can be cast into Self.

fn opt_cast_from(f: F) -> Option<T>

Returns Some(Self) if the source value can be cast into Self, otherwise None.

fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err>
where OnErr: FnOnce(&T) -> Err,

Returns Ok(Self) if the source value can be cast into Self, otherwise calls on_err.

impl<F, T> TryCastInto<T> for F
where T: TryCastFrom<F>,

fn can_cast_into(&self) -> bool

Test if self can be cast into T.

fn opt_cast_into(self) -> Option<T>

Returns Some(T) if self can be cast into T, otherwise None.

fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err>
where OnErr: FnOnce(&Self) -> Err,

Returns Ok(T) if self can be cast into T, otherwise calls on_err.

impl<T, U> TryFrom for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

impl<T, U> TryInto for T
where U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V