Struct ArenaStats 

pub struct ArenaStats {
    pub capacity: usize,
    pub allocated: usize,
    pub free: usize,
    pub fragmentation: f32,
}

Statistics about arena usage.

Fields

capacity: usize

Total capacity of the arena.

allocated: usize

Number of currently allocated cells.

free: usize

Number of free cells.

fragmentation: f32

Fragmentation ratio (0.0 = not fragmented, 1.0 = highly fragmented).

Implementations

impl ArenaStats

pub fn usage_percent(&self) -> f32

Get usage as a percentage (0-100).

pub fn free_percent(&self) -> f32

Get free space as a percentage (0-100).

pub const fn is_empty(&self) -> bool

Check if the arena is empty.

pub const fn is_full(&self) -> bool

Check if the arena is full.

pub fn is_fragmented(&self, threshold: f32) -> bool

Check if fragmentation is above a threshold.

Trait Implementations

impl Clone for ArenaStats

fn clone(&self) -> ArenaStats

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ArenaStats

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

Formats the value using the given formatter.

impl Default for ArenaStats

fn default() -> ArenaStats

Returns the “default value” for a type.

impl PartialEq for ArenaStats

fn eq(&self, other: &ArenaStats) -> 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 Copy for ArenaStats

impl StructuralPartialEq for ArenaStats