Struct tinychain::closure::Closure

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pub struct Closure { /* private fields */ }

Expand description

An OpDef which closes over zero or more States

Implementations

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impl Closure

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pub fn new(context: Map<State>, op: OpDef) -> Self

Construct a new Closure.

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pub async fn hash(self, txn: Txn) -> TCResult<Output<Sha256>>

Compute the SHA256 hash of this Closure.

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

Return the context and OpDef which define this Closure.

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

Replace references to $self with the given path.

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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

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

Replace references to the given path with $self

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

Execute this Closure with the given args

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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

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impl Clone for Closure

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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

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impl Debug for Closure

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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 Display for Closure

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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 From<Closure> for State

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fn from(closure: Closure) -> Self

Converts to this type from the input type.

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impl From<OpDef> for Closure

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fn from(op: OpDef) -> Self

Converts to this type from the input type.

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impl FromStream for Closure

type Context = Txn

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

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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,
 'life0: 'async_trait,
 Self: 'async_trait,

Parse this value using the given Decoder.

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

type Txn = Txn

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

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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.

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impl TryCastFrom<Scalar> for Closure

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fn can_cast_from(scalar: &Scalar) -> bool

Test if value can be cast into Self.

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

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

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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.

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impl TryCastFrom<State> for Closure

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fn can_cast_from(state: &State) -> bool

Test if value can be cast into Self.

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

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

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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 !RefUnwindSafe for Closure

impl Send for Closure

impl Sync for Closure

impl Unpin for Closure

impl !UnwindSafe for Closure

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,

const: unstable · source

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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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

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fn cast_from(f: F) -> T

Cast an instance of T into an instance of Self.

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

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fn cast_into(self) -> F

Cast an instance of Self into an instance of T.

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impl<T> From<T> for T

const: unstable · source

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 in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

const: unstable · source

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<F> Match for F

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

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

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impl<T> Same<T> for T

type Output = T

Should always be Self

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

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)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

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

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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

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fn can_cast_from(&F) -> bool

Test if value can be cast into Self.

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

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

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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.

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

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fn can_cast_into(&self) -> bool

Test if self can be cast into T.

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fn opt_cast_into(self) -> Option<T>

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

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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.

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

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impl<T> WithSubscriber for T

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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

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct tinychain::closure::Closure

Implementations

impl Closure

pub fn new(context: Map<State>, op: OpDef) -> Self

pub async fn hash(self, txn: Txn) -> TCResult<Output<Sha256>>

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

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

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

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

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

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

Trait Implementations

impl Clone for Closure

fn clone(&self) -> Closure

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

impl Debug for Closure

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

impl Display for Closure

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

impl From<Closure> for State

fn from(closure: Closure) -> Self

impl From<OpDef> for Closure

fn from(op: OpDef) -> Self

impl FromStream for Closure

type Context = Txn

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, 'life0: 'async_trait, Self: 'async_trait,

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

type Txn = Txn

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

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

impl TryCastFrom<Scalar> for Closure

fn can_cast_from(scalar: &Scalar) -> bool

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

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

impl TryCastFrom<State> for Closure

fn can_cast_from(state: &State) -> bool

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

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

Auto Trait Implementations

impl !RefUnwindSafe for Closure

impl Send for Closure

impl Sync for Closure

impl Unpin for Closure

impl !UnwindSafe for Closure

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

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

fn cast_from(f: F) -> T

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

fn cast_into(self) -> F

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

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

fn into(self) -> U

impl<F> Match for F

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

impl<T> Same<T> for T

type Output = T

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

type Owned = T

fn to_owned(&self) -> T

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

impl<T> ToState for T where T: Clone, State: From<T>,

fn to_state(&self) -> State

impl<T> ToString for T where T: Display + ?Sized,

default fn to_string(&self) -> String

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

fn can_cast_from(&F) -> bool

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

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

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

fn can_cast_into(&self) -> bool

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

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

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,
'life0: 'async_trait,
Self: 'async_trait,

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

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

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

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

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

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

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

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

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

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

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

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

impl<T> ToState for T where
T: Clone,
State: From<T>,

impl<T> ToString for T where
T: Display + ?Sized,

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

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

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

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

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

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

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

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,