Type Alias ReadComponent 

pub type ReadComponent<'a, C> = ComponentAccess<'a, C, AtomicRef<'a, ComponentStorage<C>>>;

SystemData type that reads the given component.

Panics

Panics if the component does not exist or has already been borrowed for writing.

Aliased Type

pub struct ReadComponent<'a, C> { /* private fields */ }

Trait Implementations

impl<'a, C> FetchResources<'a> for ReadComponent<'a, C>

where C: Component + Send + Sync + 'static, C::Storage: Send + Sync,

type Source = World

type Resources = RwResources<WorldResourceId>

fn check_resources() -> Result<RwResources<WorldResourceId>, ResourceConflict>

fn fetch(world: &'a World) -> Self