Struct SystemContext 

pub struct SystemContext<'a> {
    pub universe: &'a Universe,
    /* private fields */
}

Fields

universe: &'a Universe

Implementations

impl<'a> SystemContext<'a>

pub fn new(universe: &'a Universe, entity: Entity) -> Self

pub fn new_unknown(universe: &'a Universe) -> Self

pub fn entity(&self) -> Entity

pub fn fetch<Fetch: UniverseFetch<'a>>( &'a self, ) -> Result<Fetch::Value, Box<dyn Error>>

Trait Implementations

impl Clone for SystemContext<'_>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for SystemContext<'_>