Struct tinychain::object::InstanceExt

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pub struct InstanceExt<T: Instance> { /* private fields */ }

Expand description

A user-defined instance, subclassing T.

Implementations

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impl<T: Instance> InstanceExt<T>

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pub fn new(parent: T, class: InstanceClass) -> InstanceExt<T>

Construct a new instance of the given user-defined InstanceClass.

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pub fn anonymous(
 parent: T,
 class: InstanceClass,
 members: Map<State>
) -> InstanceExt<T>

Construct a new instance of an anonymous class.

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pub fn members(&self) -> &Map<State>

Borrow the members of this instance.

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pub fn parent(&self) -> &T

Borrow the parent of this instance.

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pub fn proto(&self) -> &Map<Scalar>

Borrow the class prototype of this instance.

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pub fn try_into<E, O: Instance + TryFrom<T, Error = E>>(
self
) -> Result<InstanceExt<O>, E>

Convert the native type of this instance, if possible.

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impl InstanceExt<State>

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

Trait Implementations

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impl<T: Clone + Instance> Clone for InstanceExt<T>

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fn clone(&self) -> InstanceExt<T>

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl<T: Instance + Debug> Debug for InstanceExt<T>

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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<T: Instance> Deref for InstanceExt<T>

type Target = T

The resulting type after dereferencing.

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fn deref(&self) -> &Self::Target

Dereferences the value.

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impl<T: Instance + Display> Display for InstanceExt<T>

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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<InstanceExt<State>> for Object

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fn from(instance: InstanceExt<State>) -> Object

Converts to this type from the input type.

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impl<T: Instance> Instance for InstanceExt<T>

type Class = InstanceClass

The Class type of this instance

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fn class(&self) -> Self::Class

Returns the [Class] of this instance.

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impl<'en> IntoView<'en, Dir> for InstanceExt<State>

type Txn = Txn

type View = InstanceView<'en>

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

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

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impl<T: Instance + ToState> ToState for InstanceExt<T>

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fn to_state(&self) -> State

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impl<T: Instance + Display> TryCastFrom<InstanceExt<T>> for Scalar where
Scalar: TryCastFrom<T>,

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fn can_cast_from(instance: &InstanceExt<T>) -> bool

Test if value can be cast into Self.

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fn opt_cast_from(instance: InstanceExt<T>) -> 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<T: Instance + Display> TryCastFrom<InstanceExt<T>> for Value where
Value: TryCastFrom<T>,

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fn can_cast_from(instance: &InstanceExt<T>) -> bool

Test if value can be cast into Self.

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fn opt_cast_from(instance: InstanceExt<T>) -> 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<T> !RefUnwindSafe for InstanceExt<T>

impl<T> Send for InstanceExt<T>

impl<T> Sync for InstanceExt<T>

impl<T> Unpin for InstanceExt<T>

impl<T> !UnwindSafe for InstanceExt<T>

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

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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::object::InstanceExt

Implementations

impl<T: Instance> InstanceExt<T>

pub fn new(parent: T, class: InstanceClass) -> InstanceExt<T>

pub fn anonymous( parent: T, class: InstanceClass, members: Map<State>) -> InstanceExt<T>

pub fn members(&self) -> &Map<State>

pub fn parent(&self) -> &T

pub fn proto(&self) -> &Map<Scalar>

pub fn try_into<E, O: Instance + TryFrom<T, Error = E>>( self) -> Result<InstanceExt<O>, E>

impl InstanceExt<State>

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

Trait Implementations

impl<T: Clone + Instance> Clone for InstanceExt<T>

fn clone(&self) -> InstanceExt<T>

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

impl<T: Instance + Debug> Debug for InstanceExt<T>

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

impl<T: Instance> Deref for InstanceExt<T>

type Target = T

fn deref(&self) -> &Self::Target

impl<T: Instance + Display> Display for InstanceExt<T>

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

impl From<InstanceExt<State>> for Object

fn from(instance: InstanceExt<State>) -> Object

impl<T: Instance> Instance for InstanceExt<T>

type Class = InstanceClass

fn class(&self) -> Self::Class

impl<'en> IntoView<'en, Dir> for InstanceExt<State>

type Txn = Txn

type View = InstanceView<'en>

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

impl<T: Instance + ToState> ToState for InstanceExt<T>

fn to_state(&self) -> State

impl<T: Instance + Display> TryCastFrom<InstanceExt<T>> for Scalar where Scalar: TryCastFrom<T>,

fn can_cast_from(instance: &InstanceExt<T>) -> bool

fn opt_cast_from(instance: InstanceExt<T>) -> Option<Self>

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

impl<T: Instance + Display> TryCastFrom<InstanceExt<T>> for Value where Value: TryCastFrom<T>,

fn can_cast_from(instance: &InstanceExt<T>) -> bool

fn opt_cast_from(instance: InstanceExt<T>) -> 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<T> !RefUnwindSafe for InstanceExt<T>

impl<T> Send for InstanceExt<T>

impl<T> Sync for InstanceExt<T>

impl<T> Unpin for InstanceExt<T>

impl<T> !UnwindSafe for InstanceExt<T>

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> 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>,

pub fn anonymous(
parent: T,
class: InstanceClass,
members: Map<State>
) -> InstanceExt<T>

pub fn try_into<E, O: Instance + TryFrom<T, Error = E>>(
self
) -> Result<InstanceExt<O>, E>

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

impl<T: Instance + Display> TryCastFrom<InstanceExt<T>> for Scalar where
Scalar: TryCastFrom<T>,

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

impl<T: Instance + Display> TryCastFrom<InstanceExt<T>> for Value where
Value: TryCastFrom<T>,

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> 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>,