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

A key-value structure. The key is a type, and the value is a single object of that type

Implementations§

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impl ResourceMap

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pub fn new() -> ResourceMap

Creates an empty resource map

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pub fn try_insert_default<R>(&mut self)
where R: Resource + Default,

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pub fn insert<R>(&mut self, r: R)
where R: Resource,

Add a type/resource instance to the map

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pub fn remove<R>(&mut self) -> Option<R>
where R: Resource,

Remove a type/resource instance from the map

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pub fn fetch<R>(&self) -> ReadBorrow<'_, R>
where R: Resource,

Read-only fetch of a resource. Trying to get a resource that is not in the map is fatal. Use try_fetch if unsure whether the resource exists. Requesting read access to a resource that has any concurrently active writer is fatal.

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pub fn try_fetch<R>(&self) -> Option<ReadBorrow<'_, R>>
where R: Resource,

Read-only fetch of a resource. Requesting read access to a resource that has a concurrently active writer is fatal. Returns None if the type is not registered.

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pub fn fetch_mut<R>(&self) -> WriteBorrow<'_, R>
where R: Resource,

Read/Write fetch of a resource. Trying to get a resource that is not in the map is fatal. Use try_fetch if unsure whether the resource exists. Requesting write access to a resource with any concurrently active read/write is fatal

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pub fn try_fetch_mut<R>(&self) -> Option<WriteBorrow<'_, R>>
where R: Resource,

Read/Write fetch of a resource. Requesting write access to a resource with any concurrently active read/write is fatal. Returns None if the type is not registered.

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pub fn has_value<R>(&self) -> bool
where R: Resource,

Returns true if the resource is registered.

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pub fn keys(&self) -> impl Iterator<Item = &ResourceId>

Iterate all ResourceIds within the dictionary

Trait Implementations§

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impl Default for ResourceMap

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fn default() -> ResourceMap

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

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> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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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> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. 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> Resource for T
where T: Downcast + Send + Sync,