Struct minijinja::value::DynObject

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pub struct DynObject { /* private fields */ }
Expand description

Type-erased version of Object

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impl DynObject

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pub fn new<T: Object + 'static>(v: Arc<T>) -> Self

Returns a new boxed, type-erased Object.

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pub fn repr(&self) -> ObjectRepr

Calls Object::repr of the underlying boxed value.

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pub fn get_value(&self, key: &Value) -> Option<Value>

Calls Object::get_value of the underlying boxed value.

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pub fn enumerate(&self) -> Enumerator

Calls Object::enumerate of the underlying boxed value.

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pub fn is_true(&self) -> bool

Calls Object::is_true of the underlying boxed value.

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pub fn enumerator_len(&self) -> Option<usize>

Calls Object::enumerator_len of the underlying boxed value.

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pub fn call( &self, state: &State<'_, '_>, args: &[Value], ) -> Result<Value, Error>

Calls Object::call of the underlying boxed value.

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pub fn call_method( &self, state: &State<'_, '_>, method: &str, args: &[Value], ) -> Result<Value, Error>

Calls Object::call_method of the underlying boxed value.

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

Calls Object::render of the underlying boxed value.

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

Returns the type name of the conrete underlying type.

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pub fn downcast_ref<T: 'static>(&self) -> Option<&T>

Downcast to T if the boxed value holds a T.

This works like Any::downcast_ref.

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pub fn downcast<T: 'static>(&self) -> Option<Arc<T>>

Downcast to T if the boxed value holds a T.

This is similar to downcast_ref but returns the Arc.

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pub fn is<T: 'static>(&self) -> bool

Checks if the boxed value is a T.

This works like Any::is.

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impl DynObject

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pub fn try_iter(&self) -> Option<Box<dyn Iterator<Item = Value> + Send + Sync>>
where Self: 'static,

Iterates over this object.

If this returns None then the default object iteration as defined by the object’s enumeration is used.

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pub fn try_iter_pairs( &self, ) -> Option<Box<dyn Iterator<Item = (Value, Value)> + Send + Sync>>

Iterate over key and value at once.

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impl<'a> ArgType<'a> for DynObject

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type Output = DynObject

The output type of this argument.
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impl Clone for DynObject

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fn clone(&self) -> Self

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 Debug for DynObject

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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 DynObject

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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 Drop for DynObject

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl<T: Object + 'static> From<Arc<T>> for DynObject

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fn from(value: Arc<T>) -> Self

Converts to this type from the input type.
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impl From<DynObject> for Value

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fn from(val: DynObject) -> Self

Converts to this type from the input type.
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impl Hash for DynObject

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Send for DynObject

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impl Sync for DynObject

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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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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<I> FunctionResult for I
where I: Into<Value>,

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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<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> 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<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.