shipyard 0.11.2

Entity Component System
Documentation 
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use crate::atomic_refcell::{ExclusiveBorrow, SharedBorrow};
use crate::entities::Entities;
use core::ops::{Deref, DerefMut};

/// Shared view over [`Entities`](crate::entities::Entities) storage.
pub struct EntitiesView<'a> {
    pub(crate) entities: &'a Entities,
    pub(crate) borrow: Option<SharedBorrow<'a>>,
    pub(crate) all_borrow: Option<SharedBorrow<'a>>,
}

impl Deref for EntitiesView<'_> {
    type Target = Entities;

    #[inline]
    fn deref(&self) -> &Self::Target {
        self.entities
    }
}

impl Clone for EntitiesView<'_> {
    #[inline]
    fn clone(&self) -> Self {
        EntitiesView {
            entities: self.entities,
            borrow: self.borrow.clone(),
            all_borrow: self.all_borrow.clone(),
        }
    }
}

/// Exclusive view over [`Entities`](crate::entities::Entities) storage.
pub struct EntitiesViewMut<'a> {
    pub(crate) entities: &'a mut Entities,
    pub(crate) _borrow: Option<ExclusiveBorrow<'a>>,
    pub(crate) _all_borrow: Option<SharedBorrow<'a>>,
}

impl Deref for EntitiesViewMut<'_> {
    type Target = Entities;

    #[inline]
    fn deref(&self) -> &Self::Target {
        self.entities
    }
}

impl DerefMut for EntitiesViewMut<'_> {
    #[inline]
    fn deref_mut(&mut self) -> &mut Self::Target {
        self.entities
    }
}