Struct RefsSingle

pub struct RefsSingle<V>(/* private fields */)
where
    V: Variant;

A single node reference.

Implementations

impl<V: Variant> RefsSingle<V>

pub fn get(&self) -> Option<&NodePtr<V>>

Returns the pointer to the referenced node.

pub fn set(&mut self, node_idx: Option<NodePtr<V>>)

Sets the pointer to the referenced node with the given node_idx.

pub fn set_some(&mut self, node_idx: NodePtr<V>)

Sets the pointer to the referenced node with the given node_idx.

pub fn set_none(&mut self)

Un-sets the reference.

Trait Implementations

impl<V: Variant> Clone for RefsSingle<V>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<V: Variant> Debug for RefsSingle<V>

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

Formats the value using the given formatter.

impl<V: Variant> Refs for RefsSingle<V>

fn empty() -> Self

Creates an empty references.

fn is_empty(&self) -> bool

Returns true if the references collection is empty.

fn clear(&mut self)

Clears the references.

fn remove_at(&mut self, ref_idx: usize)

Removes the reference at the given ref_idx.

fn remove(&mut self, ptr: usize) -> Option<usize>

Removes the node reference from references pointing to the node at given ptr location.