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|
use super::Entity;
use super::component::{Component, ComponentStorage};
pub trait ComponentBundle<W> {
fn insert(self, world: &mut W, entity: Entity);
}
macro_rules! impl_bundle_tuple {
($($T:ident),+) => {
impl<W, $($T),+> ComponentBundle<W> for ($($T,)+)
where
$(
$T: Component,
W: ComponentStorage<$T>,
)+
{
#[allow(non_snake_case)]
fn insert(self, world: &mut W, entity: Entity) {
let ($($T,)+) = self;
$(
world.insert(entity, $T);
)+
}
}
};
}
impl_bundle_tuple!(A);
impl_bundle_tuple!(A, B);
impl_bundle_tuple!(A, B, C);
impl_bundle_tuple!(A, B, C, D);
impl_bundle_tuple!(A, B, C, D, E);
impl_bundle_tuple!(A, B, C, D, E, F);
|
