Struct NavigatorId 

pub struct NavigatorId(/* private fields */);

An opaque identity for the navigator a NavigatorController drives: every clone of one controller reports the same value, and two independently constructed controllers never do.

The seam a multi-navigator registry keys on — the facade’s back-press arbitration (rule R44-back) holds one entry per registered controller and needs to tell “this controller again” from “a second controller”, which it cannot do through the op queue or the published cells.

Uniqueness holds among live controllers only. The value is derived from the address of the shared op queue, so a holder that wants the identity to stay meaningful must keep a controller clone alive alongside it (as the facade’s registry does) — otherwise a freed allocation could be reused and two ids collide.

Trait Implementations

impl Clone for NavigatorId

fn clone(&self) -> NavigatorId

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for NavigatorId

impl Debug for NavigatorId

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

Formats the value using the given formatter.

impl Eq for NavigatorId

impl Hash for NavigatorId

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for NavigatorId

fn eq(&self, other: &NavigatorId) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for NavigatorId