Struct LayoutCache 

pub struct LayoutCache { /* private fields */ }

A persistent layout cache that survives across multiple compilation units.

Implementations

impl LayoutCache

pub fn new() -> Self

Create a new empty layout cache.

pub fn get_ctor( &mut self, ctor_name: &str, ctor_tag: u32, num_obj: usize, scalar_sz: usize, ) -> &ObjectLayout

Get or compute a constructor layout.

pub fn get_closure( &mut self, arity: usize, num_captured: usize, ) -> &ClosureLayout

Get or compute a closure layout.

pub fn clear(&mut self)

Clear all cached layouts.

pub fn ctor_count(&self) -> usize

Number of cached constructor layouts.

pub fn closure_count(&self) -> usize

Number of cached closure layouts.

Trait Implementations

impl Clone for LayoutCache

fn clone(&self) -> LayoutCache

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LayoutCache

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

Formats the value using the given formatter.

impl Default for LayoutCache

fn default() -> LayoutCache

Returns the “default value” for a type.