Struct ArenaIndex 

pub struct ArenaIndex { /* private fields */ }

An index into an arena with a generation counter for ABA safety.

Implementations

impl ArenaIndex

pub const fn new(index: u32, generation: u32) -> Self

Creates a new arena index (primarily for testing).

pub const fn index(self) -> u32

Returns the raw index value.

pub const fn generation(self) -> u32

Returns the generation counter.

Trait Implementations

impl Clone for ArenaIndex

fn clone(&self) -> ArenaIndex

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ArenaIndex

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

Formats the value using the given formatter.

impl Hash for ArenaIndex

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

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 Ord for ArenaIndex

fn cmp(&self, other: &ArenaIndex) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for ArenaIndex

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for ArenaIndex

fn partial_cmp(&self, other: &ArenaIndex) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Copy for ArenaIndex

impl Eq for ArenaIndex

impl StructuralPartialEq for ArenaIndex