Trait Slots

Source

pub unsafe trait Slots: Slots {
    type Layout: Copy + Into<(Self::Capacity, Self::Capacity)>;
    type Owned: Copy + Into<Self::Physical>;
    type Accepted: TryFrom<(Self::Index, Self::Capacity)>;
    type Missing: Copy + Eq;

    // Required methods
    fn excludes(
        capacity: Self::Capacity,
        index: Self::Index,
    ) -> Option<Self::Missing>;
    fn backing(index: Self::Index) -> Self::Missing;
    fn vacant(index: Self::Index) -> Self::Missing;
    fn replaced(
        index: Self::Index,
        expected: RawFd,
        actual: RawFd,
    ) -> Self::Missing;
}

Expand description

§Safety

Layout yields (capacity, accepted_prefix); the prefix fits capacity. Owned conversion preserves identity. Accepted conversion succeeds only in its prefix and stays affine; excludes reports indices outside capacity.