Struct InternalSharing

pub struct InternalSharing { /* private fields */ }

Share using pointer identity, i.e. yield each node only once, where two nodes are the same iff they both point to the same object.

Trait Implementations

impl Clone for InternalSharing

fn clone(&self) -> InternalSharing

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for InternalSharing

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for InternalSharing

fn default() -> InternalSharing

Returns the “default value” for a type.

impl<D: DagLike> SharingTracker<D> for InternalSharing

fn record(&mut self, d: &D, index: usize) -> Option<usize>

Marks an object as having been seen, and record the index when it was seen.

fn seen_before(&self, d: &D) -> Option<usize>

Check whether an object has been seen before; if so, return the index it was recorded at.