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macro_rules! impl_trait {
($self:ident) => {
type Pointer = Self;
type Item = T;
type MarkBits = N;
#[inline]
fn as_marked_ptr(&self) -> crate::pointer::MarkedPtr<T, N> {
self.inner.into_marked_ptr()
}
#[inline]
fn into_marked_ptr(self) -> crate::pointer::MarkedPtr<Self::Item, Self::MarkBits> {
self.into_marked_non_null().into_marked_ptr()
}
#[inline]
fn marked($self: Self, tag: usize) -> crate::pointer::Marked<Self::Pointer> {
let inner = $self.inner.with_tag(tag);
crate::pointer::Marked::Value(Self { inner, _marker: PhantomData })
}
#[inline]
fn unmarked($self: Self) -> Self {
let inner = $self.inner.clear_tag();
Self { inner, _marker: PhantomData }
}
#[inline]
fn decompose($self: Self) -> (Self, usize) {
let (inner, tag) = $self.inner.decompose();
core::mem::forget($self);
( Self { inner: crate::pointer::MarkedNonNull::from(inner), _marker: PhantomData }, tag)
}
#[inline]
unsafe fn from_marked_ptr(
marked: crate::pointer::MarkedPtr<Self::Item, Self::MarkBits>
) -> Self
{
debug_assert!(!marked.is_null());
Self { inner: MarkedNonNull::new_unchecked(marked), _marker: PhantomData}
}
#[inline]
unsafe fn from_marked_non_null(
marked: crate::pointer::MarkedNonNull<Self::Item, Self::MarkBits>
) -> Self
{
Self { inner: marked, _marker: PhantomData }
}
};
}
macro_rules! impl_inherent {
($self:ident) => {
#[inline]
pub fn none() -> Option<Self> {
None
}
#[inline]
pub fn null() -> crate::pointer::Marked<Self> {
Marked::Null(0)
}
#[inline]
pub fn null_with_tag(tag: usize) -> crate::pointer::Marked<Self> {
Marked::Null(tag)
}
#[inline]
pub fn compose($self: Self, tag: usize) -> Self {
let inner = $self.inner;
core::mem::forget($self);
Self { inner: inner.with_tag(tag), _marker: PhantomData }
}
};
}