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use crate::data::Index;
pub trait ComponentSetOption<T>: Sync {
fn get(&self, handle: Index) -> Option<&T>;
}
pub trait ComponentSet<T>: ComponentSetOption<T> {
fn size_hint(&self) -> usize;
fn for_each(&self, f: impl FnMut(Index, &T));
fn index(&self, handle: Index) -> &T {
self.get(handle).unwrap()
}
}
pub trait ComponentSetMut<T>: ComponentSet<T> {
fn map_mut_internal<Result>(
&mut self,
handle: crate::data::Index,
f: impl FnOnce(&mut T) -> Result,
) -> Option<Result>;
fn set_internal(&mut self, handle: crate::data::Index, val: T);
}
pub trait BundleSet<'a, T> {
fn index_bundle(&'a self, handle: Index) -> T;
}
impl<'a, T, A, B> BundleSet<'a, (&'a A, &'a B)> for T
where
T: ComponentSet<A> + ComponentSet<B>,
{
#[inline(always)]
fn index_bundle(&'a self, handle: Index) -> (&'a A, &'a B) {
(self.index(handle), self.index(handle))
}
}
impl<'a, T, A, B, C> BundleSet<'a, (&'a A, &'a B, &'a C)> for T
where
T: ComponentSet<A> + ComponentSet<B> + ComponentSet<C>,
{
#[inline(always)]
fn index_bundle(&'a self, handle: Index) -> (&'a A, &'a B, &'a C) {
(self.index(handle), self.index(handle), self.index(handle))
}
}
impl<'a, T, A, B, C, D> BundleSet<'a, (&'a A, &'a B, &'a C, &'a D)> for T
where
T: ComponentSet<A> + ComponentSet<B> + ComponentSet<C> + ComponentSet<D>,
{
#[inline(always)]
fn index_bundle(&'a self, handle: Index) -> (&'a A, &'a B, &'a C, &'a D) {
(
self.index(handle),
self.index(handle),
self.index(handle),
self.index(handle),
)
}
}
impl<'a, T, A, B, C, D, E> BundleSet<'a, (&'a A, &'a B, &'a C, &'a D, &'a E)> for T
where
T: ComponentSet<A> + ComponentSet<B> + ComponentSet<C> + ComponentSet<D> + ComponentSet<E>,
{
#[inline(always)]
fn index_bundle(&'a self, handle: Index) -> (&'a A, &'a B, &'a C, &'a D, &'a E) {
(
self.index(handle),
self.index(handle),
self.index(handle),
self.index(handle),
self.index(handle),
)
}
}
impl<'a, T, A, B, C, D, E, F> BundleSet<'a, (&'a A, &'a B, &'a C, &'a D, &'a E, &'a F)> for T
where
T: ComponentSet<A>
+ ComponentSet<B>
+ ComponentSet<C>
+ ComponentSet<D>
+ ComponentSet<E>
+ ComponentSet<F>,
{
#[inline(always)]
fn index_bundle(&'a self, handle: Index) -> (&'a A, &'a B, &'a C, &'a D, &'a E, &'a F) {
(
self.index(handle),
self.index(handle),
self.index(handle),
self.index(handle),
self.index(handle),
self.index(handle),
)
}
}