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-rw-r--r--ecs/src/util/array_vec.rs131
1 files changed, 0 insertions, 131 deletions
diff --git a/ecs/src/util/array_vec.rs b/ecs/src/util/array_vec.rs
deleted file mode 100644
index 5d0aac9..0000000
--- a/ecs/src/util/array_vec.rs
+++ /dev/null
@@ -1,131 +0,0 @@
-use std::mem::MaybeUninit;
-use std::ops::{Deref, DerefMut};
-
-#[derive(Debug)]
-pub struct ArrayVec<Item, const CAPACITY: usize>
-{
- items: [MaybeUninit<Item>; CAPACITY],
- len: usize,
-}
-
-impl<Item, const CAPACITY: usize> ArrayVec<Item, CAPACITY>
-{
- #[inline]
- #[must_use]
- pub fn len(&self) -> usize
- {
- self.len
- }
-
- #[inline]
- #[must_use]
- pub fn is_empty(&self) -> bool
- {
- self.len == 0
- }
-
- pub fn push(&mut self, item: Item)
- {
- assert!(self.len < CAPACITY);
-
- self.items[self.len].write(item);
-
- self.len += 1;
- }
-
- pub fn insert(&mut self, index: usize, item: Item)
- {
- assert!(index <= self.len);
- assert!(self.len < CAPACITY);
-
- if index == self.len {
- self.push(item);
- return;
- }
-
- unsafe {
- std::ptr::copy(
- &raw const self.items[index],
- &raw mut self.items[index + 1],
- self.len - index,
- );
- }
-
- self.items[index].write(item);
-
- self.len += 1;
- }
-}
-
-impl<Item, const CAPACITY: usize> Extend<Item> for ArrayVec<Item, CAPACITY>
-{
- fn extend<IntoIter: IntoIterator<Item = Item>>(&mut self, iter: IntoIter)
- {
- for item in iter {
- self.push(item);
- }
- }
-}
-
-impl<Item, const CAPACITY: usize> AsRef<[Item]> for ArrayVec<Item, CAPACITY>
-{
- fn as_ref(&self) -> &[Item]
- {
- let ptr = &raw const self.items[..self.len];
-
- unsafe { &*(ptr as *const [Item]) }
- }
-}
-
-impl<Item, const CAPACITY: usize> AsMut<[Item]> for ArrayVec<Item, CAPACITY>
-{
- fn as_mut(&mut self) -> &mut [Item]
- {
- let ptr = &raw mut self.items[..self.len];
-
- unsafe { &mut *(ptr as *mut [Item]) }
- }
-}
-
-impl<Item, const CAPACITY: usize> Deref for ArrayVec<Item, CAPACITY>
-{
- type Target = [Item];
-
- fn deref(&self) -> &Self::Target
- {
- self.as_ref()
- }
-}
-
-impl<Item, const CAPACITY: usize> DerefMut for ArrayVec<Item, CAPACITY>
-{
- fn deref_mut(&mut self) -> &mut Self::Target
- {
- self.as_mut()
- }
-}
-
-impl<Item, const CAPACITY: usize> Default for ArrayVec<Item, CAPACITY>
-{
- fn default() -> Self
- {
- Self {
- items: [const { MaybeUninit::uninit() }; CAPACITY],
- len: 0,
- }
- }
-}
-
-impl<Item, const CAPACITY: usize> Drop for ArrayVec<Item, CAPACITY>
-{
- fn drop(&mut self)
- {
- for item in &mut self.items[..self.len] {
- // SAFETY: The items from index 0 to the length index will always be
- // initialized and satisfy all the invariants of the Item type.
- unsafe {
- item.assume_init_drop();
- }
- }
- }
-}