pub struct Without<Q, R>(_);
Expand description
Query transformer skipping entities that satisfy another query
See also QueryBorrow::without
.
Example
let mut world = World::new();
let a = world.spawn((123, true, "abc"));
let b = world.spawn((456, false));
let c = world.spawn((42, "def"));
let entities = world.query::<Without<&i32, &bool>>()
.iter()
.map(|(e, &i)| (e, i))
.collect::<Vec<_>>();
assert_eq!(entities, &[(c, 42)]);