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NodeRef

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Struct NodeRef 

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pub struct NodeRef<T: ObjectType> { /* private fields */ }
Expand description

The control an element made, once it is mounted (see El::node_ref). Copy; reading it is reactive.

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impl<T: ObjectType> NodeRef<T>

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pub fn new() -> Self

A reference with no control yet, owned by the current owner.

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pub fn get(&self) -> Option<Ref<T>>

The control, once mounted.

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pub fn get_untracked(&self) -> Option<Ref<T>>

The control without recording the read.

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impl<T: ObjectType> Clone for NodeRef<T>

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl<T: ObjectType> Copy for NodeRef<T>

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impl<T: ObjectType> Default for NodeRef<T>

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<T> Freeze for NodeRef<T>
where Signal<Option<Ref<T>>>: Freeze,

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impl<T> RefUnwindSafe for NodeRef<T>
where Signal<Option<Ref<T>>>: RefUnwindSafe,

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impl<T> Send for NodeRef<T>
where Signal<Option<Ref<T>>>: Send,

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impl<T> Sync for NodeRef<T>
where Signal<Option<Ref<T>>>: Sync,

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impl<T> Unpin for NodeRef<T>
where Signal<Option<Ref<T>>>: Unpin,

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impl<T> UnsafeUnpin for NodeRef<T>
where Signal<Option<Ref<T>>>: UnsafeUnpin,

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impl<T> UnwindSafe for NodeRef<T>
where Signal<Option<Ref<T>>>: UnwindSafe,

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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> ClassDefaults for T
where T: ?Sized,

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fn static_constructor()

The static constructor of a type: work done once per thread, after the properties of the type are registered and before its first instance exists (class handlers, affects_render, metadata overrides). 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> FromValue<Option<T>> for T
where T: Clone,

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fn from_value(value: &Option<T>) -> Option<T>

The value of the signal, or None when the value of the property has none (the signal keeps its value).
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impl<T> FromValue<T> for T
where T: Clone,

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fn from_value(value: &T) -> Option<T>

The value of the signal, or None when the value of the property has none (the signal keeps its 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> IntoValue<T> for T

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fn into_value(self) -> T

The value of the property.
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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 = !

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

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.