o3 0.32.0

shared-nothing primitives
Documentation 
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use std::marker;

use crate::depot::arena::slab;

/// A logical identity projection of its native vacant phase.
pub struct Vacant<B, Tag = (), const ROOT: bool = true, S = ()> {
    pub(in crate::depot::arena::slab) entry: B,
    pub(in crate::depot::arena::slab) state: S,
    pub(in crate::depot::arena::slab) tag: marker::PhantomData<fn() -> Tag>,
}

impl<B, Tag, const ROOT: bool, S> Vacant<B, Tag, ROOT, S> {
    pub(in crate::depot::arena::slab) fn into_native(self) -> slab::Vacant<B, Tag, ROOT> {
        slab::Vacant::new(self.entry)
    }
}