Struct bones_lib::ecs::prelude::ResMutInit

pub struct ResMutInit<'a, T>(/* private fields */)
where
    T: HasSchema + FromWorld;
Expand description

SystemParam for getting mutable access to a resource and initializing it if it doesn’t already exist.

Use ResMut if you don’t want to automatically initialize the resource.

Trait Implementations§

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impl<'a, T> Deref for ResMutInit<'a, T>
where T: HasSchema + FromWorld,

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &<ResMutInit<'a, T> as Deref>::Target

Dereferences the value.
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impl<'a, T> DerefMut for ResMutInit<'a, T>
where T: HasSchema + FromWorld,

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fn deref_mut(&mut self) -> &mut <ResMutInit<'a, T> as Deref>::Target

Mutably dereferences the value.
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impl<'a, T> SystemParam for ResMutInit<'a, T>
where T: HasSchema + FromWorld,

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type State = AtomicResource<T>

The intermediate state for the parameter, that may be extracted from the world.
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type Param<'p> = ResMutInit<'p, T>

The type of the parameter, ranging over the lifetime of the intermediate state. Read more
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fn get_state(world: &World) -> <ResMutInit<'a, T> as SystemParam>::State

This is called to produce the intermediate state of the system parameter. Read more
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fn borrow<'s>( _world: &'s World, state: &'s mut <ResMutInit<'a, T> as SystemParam>::State, ) -> <ResMutInit<'a, T> as SystemParam>::Param<'s>

This is used create an instance of the system parame, possibly borrowed from the intermediate parameter state.

Auto Trait Implementations§

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impl<'a, T> Freeze for ResMutInit<'a, T>

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impl<'a, T> RefUnwindSafe for ResMutInit<'a, T>
where T: RefUnwindSafe,

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impl<'a, T> Send for ResMutInit<'a, T>

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impl<'a, T> Sync for ResMutInit<'a, T>

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impl<'a, T> Unpin for ResMutInit<'a, T>

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impl<'a, T> !UnwindSafe for ResMutInit<'a, 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> 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> RawDrop for T

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unsafe fn raw_drop(ptr: *mut c_void)

Write the default value of the type to the pointer. Read more
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fn raw_drop_cb() -> Unsafe<&'static (dyn Fn(*mut c_void) + Send + Sync)>

Get a callback suitable for [SchemaData].
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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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V