#[stable(feature = "rust1", since = "1.0.0")]
pub struct IterMut<'a, T: 'a> {
// Internal safety invariant: the entire slice is dereferencable.
- pub(crate) ring: *mut [T],
- pub(crate) tail: usize,
- pub(crate) head: usize,
- pub(crate) phantom: PhantomData<&'a mut [T]>,
+ ring: *mut [T],
+ tail: usize,
+ head: usize,
+ phantom: PhantomData<&'a mut [T]>,
+}
+
+impl<'a, T> IterMut<'a, T> {
+ pub(super) unsafe fn new(
+ ring: *mut [T],
+ tail: usize,
+ head: usize,
+ phantom: PhantomData<&'a mut [T]>,
+ ) -> Self {
+ IterMut { ring, tail, head, phantom }
+ }
}
// SAFETY: we do nothing thread-local and there is no interior mutability,