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ValueRef

Struct ValueRef 

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pub struct ValueRef { /* private fields */ }

Methods from Deref<Target = Value>§

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pub fn value_type_name(&self) -> &'static str

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pub fn value_as_bool(&self) -> Result<bool, EngineError>

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pub fn value_as_u8(&self) -> Result<u8, EngineError>

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pub fn value_as_u16(&self) -> Result<u16, EngineError>

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pub fn value_as_u32(&self) -> Result<u32, EngineError>

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pub fn value_as_u64(&self) -> Result<u64, EngineError>

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pub fn value_as_i8(&self) -> Result<i8, EngineError>

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pub fn value_as_i16(&self) -> Result<i16, EngineError>

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pub fn value_as_i32(&self) -> Result<i32, EngineError>

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pub fn value_as_i64(&self) -> Result<i64, EngineError>

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pub fn value_as_f32(&self) -> Result<f32, EngineError>

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pub fn value_as_f64(&self) -> Result<f64, EngineError>

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pub fn value_as_string(&self) -> Result<String, EngineError>

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pub fn value_as_uuid(&self) -> Result<Uuid, EngineError>

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pub fn value_as_datetime(&self) -> Result<DateTime<Utc>, EngineError>

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pub fn value_as_tuple(&self) -> Result<Vec<Pointer>, EngineError>

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pub fn value_as_array(&self) -> Result<Vec<Pointer>, EngineError>

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pub fn value_as_dict(&self) -> Result<BTreeMap<Symbol, Pointer>, EngineError>

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pub fn value_as_adt(&self) -> Result<(Symbol, Vec<Pointer>), EngineError>

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pub fn value_as_uninitialized(&self) -> Result<Symbol, EngineError>

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pub fn value_as_closure(&self) -> Result<Closure, EngineError>

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pub fn value_as_native(&self) -> Result<NativeFn, EngineError>

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pub fn value_as_overloaded(&self) -> Result<OverloadedFn, EngineError>

Trait Implementations§

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impl AsRef<Value> for ValueRef

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fn as_ref(&self) -> &Value

Converts this type into a shared reference of the (usually inferred) input type.
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impl Clone for ValueRef

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fn clone(&self) -> ValueRef

Returns a duplicate 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 Deref for ValueRef

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type Target = Value

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.

Auto Trait Implementations§

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,

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

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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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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T> ToOwned for T
where T: Clone,

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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)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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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