Struct rui::ViewId

source · [−]

pub struct ViewId {
    pub id: u64,
}

Expand description

ViewId is a unique identifier for a view. We’re using a u64 and hashing under the assumption there won’t be collsions. The underlying u64 is a function of the path down the view tree.

Fields

id: u64

Implementations

impl ViewId

pub fn child<T: Hash>(&self, value: &T) -> Self

Computes the ID for a child using a hashable value. For views which don’t have dynamic children (e.g. vstack etc.) the value will be the integer index of the child. Dynamic views (e.g. list) will hash an item identifier.

pub fn access_id(&self) -> NodeId

Returns the corresponding AccessKit ID. We’re assuming the underlying u64 isn’t zero.

Trait Implementations

impl Clone for ViewId

fn clone(&self) -> ViewId

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

impl Debug for ViewId

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

Formats the value using the given formatter. Read more

impl Default for ViewId

fn default() -> ViewId

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

impl Hash for ViewId

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

Feeds this value into the given Hasher. Read more

1.3.0 · source

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

impl PartialEq<ViewId> for ViewId

fn eq(&self, other: &ViewId) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

fn ne(&self, other: &ViewId) -> bool

This method tests for !=.

impl Copy for ViewId

impl Eq for ViewId

impl StructuralEq for ViewId

impl StructuralPartialEq for ViewId

Auto Trait Implementations

impl RefUnwindSafe for ViewId

impl Send for ViewId

impl Sync for ViewId

impl Unpin for ViewId

impl UnwindSafe for ViewId

Blanket Implementations

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

impl<T> CallHasher for T where
T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64 where
H: Hash + ?Sized,
B: BuildHasher,

impl<T> Downcast<T> for T

fn downcast(&self) -> &T

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> 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.

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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

impl<T, U> TryFrom<U> 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<U>>::Error>

Performs the conversion.

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

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

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<T> Upcast<T> for T

fn upcast(&self) -> Option<&T>