Struct Lookup

pub struct Lookup<'a, const LOCKING: bool, Fetch: TypedLookupFetch<'a, LOCKING>>(/* private fields */);

Implementations

impl<'a, const LOCKING: bool, Fetch: TypedLookupFetch<'a, LOCKING>> Lookup<'a, LOCKING, Fetch>

pub fn lookup( &self, world: &'a World, entities: impl IntoIterator<Item = Entity> + 'a, ) -> TypedLookupIter<'a, LOCKING, Fetch>

pub fn lookup_access( &self, world: &'a World, ) -> TypedLookupAccess<'a, LOCKING, Fetch>

Trait Implementations

impl<'a, const LOCKING: bool, Fetch: TypedLookupFetch<'a, LOCKING>> Clone for Lookup<'a, LOCKING, Fetch>

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a, const LOCKING: bool, Fetch: TypedLookupFetch<'a, LOCKING>> Default for Lookup<'a, LOCKING, Fetch>

fn default() -> Self

Returns the “default value” for a type.

impl<'a, const LOCKING: bool, Fetch: TypedLookupFetch<'a, LOCKING>> UniverseFetch<'a> for Lookup<'a, LOCKING, Fetch>

type Value = Lookup<'a, LOCKING, Fetch>

fn fetch(_: &Universe, _: Entity) -> Result<Self::Value, Box<dyn Error>>

impl<'a, const LOCKING: bool, Fetch: TypedLookupFetch<'a, LOCKING>> Copy for Lookup<'a, LOCKING, Fetch>