Type Alias FnSystem 

pub type FnSystem = fn(&World);

System that takes an immutable reference to the World

Trait Implementations

impl System for FnSystem

fn is_mut(&self) -> bool

Whether this System takes a mutable reference to the World or not

fn apply(&self, world: &World)

Apply the system on a reference to World

fn apply_mut(&self, world: &mut World)

Apply the system on a mutable reference to World