Registry

Struct Registry 

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pub struct Registry<T>(/* private fields */);
Expand description

A registry of items that are keyed by a string identifier.

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impl<T: Clone + Display + Eq> Registry<T>

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pub fn empty() -> Self

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pub fn items(&self) -> impl Iterator<Item = T> + '_

List the items in the registry.

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pub fn find_many<'a>( &self, ids: impl IntoIterator<Item = &'a str>, ) -> impl Iterator<Item = Option<impl Deref<Target = T>>>

Return the items with the given IDs.

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pub fn find(&self, id: &str) -> Option<T>

Find the item with the given ID.

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pub fn register(&self, item: T)

Register a new item, replacing any existing item with the same ID.

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pub fn register_many<I: IntoIterator<Item = T>>(&self, items: I)

Register a new item, replacing any existing item with the same ID.

Trait Implementations§

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impl<T: Clone> Clone for Registry<T>

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

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<T: Debug> Debug for Registry<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> Default for Registry<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 Registry<T>

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impl<T> !RefUnwindSafe for Registry<T>

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impl<T> Send for Registry<T>
where T: Send + Sync,

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impl<T> Sync for Registry<T>
where T: Send + Sync,

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impl<T> Unpin for Registry<T>

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impl<T> !UnwindSafe for Registry<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,

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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, 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> SessionVar for T
where T: Send + Sync + Debug + 'static,

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fn as_any(&self) -> &(dyn Any + 'static)

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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

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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.