Type Alias ReadResource 

pub type ReadResource<'a, R> = ResourceAccess<AtomicRef<'a, R>>;

SystemData type that reads the given resource.

Panics

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

Aliased Type

pub struct ReadResource<'a, R>(/* private fields */);

Trait Implementations

impl<'a, R> FetchResources<'a> for ReadResource<'a, R>

where R: Send + Sync + 'static,

type Source = World

type Resources = RwResources<WorldResourceId>

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

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